Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
pre-calc
Questions
1. which of the following is a fourth degree polynomial function? select all that apply.
a. f(x)= 4x^3 - x^2 + 2x - 7 b. f(x)=
6 answers
asked by
mr mango
6,071 views
a ship leaves port and sails for 2 hours north east and than 3 hours north west. If the speed remains constant, what course
4 answers
asked by
Bobert
2,402 views
analyzing the motion of a projectile: a projectile is fired from a cliff 200 feet above the water at an inclination of 45
5 answers
asked by
steph
6,275 views
construction of a rain gutter: a piece of rectangular sheet metal is 20 inches wide. it is to be made into a rain gutter by
5 answers
asked by
steph
5,334 views
Find an angle between 0 and 2ð that is coterminal with the given angle.
-8pi/3 A sector of a circle has a central angle of 60°.
4 answers
asked by
John
2,085 views
A ship travels 200km west from port and then 240km due south before it is disabled. Illustrate this in a vector diagram. Usa
3 answers
asked by
Devon
1,665 views
Newline Recyclers processes used aluminum into food or dink containers. The recycling plant processes up to 1200 tons of
4 answers
asked by
court
747 views
The stellar magnitude scale compares the brightness of stars using the equation m_2 - m_1 = log(b_1/b_2). where m_2 and m_1 are
3 answers
asked by
Jus
1,350 views
A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the
5 answers
asked by
Anonymous
1,626 views
Find the area of a triangle with sides of length 5 and 8 and included angle 74°. (Round your answer to one decimal place.)
4 answers
asked by
Kelvin
1,230 views
find the exact value of the given expression. Thank you!
tan(1/2cos^-1(9/10)
4 answers
asked by
Kim
771 views
Suppose the function p= -1/8 x + 100 (0 grtr&= x ~12) relates the selling price p of an item to the quantity x that is sold.
4 answers
asked by
ssassie
855 views
The height h(t) (in feet) of the seat of a child's swing above ground level is given by h(t) = -1.1cos(2pi/3t)+3.1 where t is
3 answers
asked by
Nicole
992 views
find real numbers a,b,c so that the graph of the function y=ax^2+bx+c contains the points (-11,4), (2,3) , and (0,1)
Write three
1 answer
asked by
Erica
751 views
solve each system of equations using matrices
x+2y-3z=0 2x-4y=z=-7 -2x+2y-3z=4 I don't see how it is possible to even attempt a
1 answer
asked by
Erica
1,031 views
determine if the following lines are parallel, perpendicular or neither. Explain your reasoning.
-2x+3y=3 2x+3y=3 Rewrite them in
1 answer
asked by
britteny
609 views
Quest:
show that i (imaginary) is a zero of f (x)= x^3+ (3-i)x^2 - 4ix -1 Plug in i for x and add up the terms. You should get
1 answer
asked by
melissa
835 views
If f(x)= x-B/x-A, f(2)=0, and f(1) is undefined, what are the calues of A and B?
my teacher is picky and requires all work to be
1 answer
asked by
Sam
550 views
Solve:
cos(2x-180) - sin(x-90)=0 my work: cos2xcos180 + sin2xsin180= sinxcos90 - sin90cosx -cos2x - sin2x= cosx -cos^2x + sin^2x
1 answer
asked by
Jess
677 views
What is the trigonometric function for cos(-270)?
a)1 b)-1 c)0 d)undefined Put cos(-270 degrees) in the google search engine.
2 answers
asked by
raven 31791
467 views
Can someone check my work please?
Convert each polar equation to a rectangular equation. Then determine the graph's slope and
1 answer
asked by
Jessica
535 views
Can someone help me find the exact value of 4csc(3pi/4)-cot(-pi/4)?
Thanks! cotx =1/tanx cscx = 1/sinx If you find it easier to
1 answer
asked by
sarah
665 views
a farmer wants to make a rectangular enclosure using a wall as one side and 120 m of fencing for the other three sides.
a)
4 answers
asked by
INEEDHELP!!!
2,446 views
(8y2+3y-7)(3y+4)
1 answer
asked by
steven
279 views
how do you solve this:
the square root of a+4 plus the square root of a-3 equals 7
1 answer
asked by
Amanda
393 views
If Wesley Jackson harvests his apple crop now, the yield will average 120 pounds per tree. Also, he will be able to sell the
2 answers
asked by
Amanda
819 views
How do you solve this inequality?
2x over 4 minus 5x+1 over 3 is greater than 3
5 answers
asked by
Amanda
391 views
How do you solve this equation?
the square root of x-3 minus 3 times the square root of x+12 equals -11.
1 answer
asked by
Amanda
378 views
is x=15 degrees a solution of radical 3/3 cos2x+sin2x=0
1 answer
asked by
larry
445 views
How do you find the asymptotes in general??
For example... f(x)=(1/2)^x, how would I find that?
3 answers
asked by
Anonymous
251 views
what does multiplying a complex number by a real number do to its polar representation?
1 answer
asked by
Lindsay
324 views
how do i solve this w(4-w^2)=8-w^3
1 answer
asked by
jared
271 views
Hey, I was wondering how do you factor (a^2-x^2)? (a squared minus x squared) or how you would go about graphing it? Thanks!
7 answers
asked by
Freddie
501 views
A={3,4,5,6,7,8,9} B={4,6,8,10}
C={8,9,10,11} find the indicated set if A�¿B and AUBUC
3 answers
asked by
Debbie
538 views
the sum of the two squares of two consecutive even integers is 1,648. what are the integers?
1 answer
asked by
Allie
332 views
how would you solve 3/(x+2) - 6/3x = 6/(3x+6) algebraically and graphically?
1 answer
asked by
Allie
368 views
how would you solve x^(5/2)(x^(1/2)- 1/x^(1/2))
2 answers
asked by
Allie
551 views
prove the identity: (tan theta)/(csc theta) + 1/(sec theta)= sec theta
1 answer
asked by
leslie
365 views
for f(x)=2^x is f(x) an increasing function.?
1 answer
asked by
mariah
216 views
for f(x)=2^x is f(x) an increasing function.?
1 answer
asked by
mariah
246 views
what does this simplify to:
f(x)=x/(x+4)^(1/5)-2
1 answer
asked by
Allie
242 views
The original ferris wheel, built by George Ferris for the Columbian Exposition of 1893, was much larger and slower than its
3 answers
asked by
chris
712 views
How bright a star appears can depend on how much light the star actually emits and how far away it is. The stellar magnitude
3 answers
asked by
Christine
909 views
y=10(0.5)^(t/19.74)
My question: is this a horizontal stretch by a factor of 19.74? y=10(0.5)^(8t) My question: is this a
1 answer
asked by
Jus
392 views
The probability, P, in percent, that a person will respond to a certain ad can be modelled by the equation P(n)=1-2^(-0.05n),
1 answer
asked by
Jus
977 views
One day, a controversial video is posted on the Internet that seemingly gives concrete evidence of life on other planets.
4 answers
asked by
Jus
1,186 views
A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the
2 answers
asked by
Anonymous
495 views
I am trying to get the polynomial;
x^7+2x^6+3x^5+4x^4+6x^3+6x^2+7x+8 divided by; x^5-2x^4-3x^3+5x^2+2x-3 into a partial fraction
4 answers
asked by
John
790 views
The city planners of bakersfield, CA are studying the current and future needs of the city. The sewage system they have in place
2 answers
asked by
maddy
593 views
Find a vector perpendicular to the plane containing the given points.
(0,-2,2), (1,2,-3), and (4,0,-1) My teacher was unable to
3 answers
asked by
James
621 views
Hello,
I'm trying to figure out how to do this problem, but don't know where to begin. I think some information is missing. Blood
1 answer
asked by
Phillip
972 views
Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x
3 answers
asked by
Anonymous
989 views
Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x
3 answers
asked by
Anonymous
1,554 views
How do you find coterminal angles between 0 and 2pi for angles given in pi radians?
2 answers
asked by
Sarma
630 views
how do i solve this equation algebraicly
solve the equation 1+25cos(x)=25sin^2(x)
5 answers
asked by
bandit
393 views
(3^-2+4^-2)^-1/2
1 answer
asked by
megan
217 views
(3^-2+4^-2)^-1/2
1 answer
asked by
megan
225 views
A hall 100 feet in length is to be designed as a whispering gallery. If the foci are located 21 feet from the center, how high
2 answers
asked by
Enoch
1,080 views
what are the asymtopes of
2x/x-3
1 answer
asked by
caitlyn
289 views
How do u solve (f-g)(x) when f(x)=4x/7 +7 and g(x)=-6/x
Ok so its (f-g)(x)=4x/7 +7 - (-6/x) But how do u simplify it from there?
1 answer
asked by
cade
355 views
"An open gift box is to be made from a square piece of material by cutting 2 centimeter squares from each corner and turning up
3 answers
asked by
kari
1,037 views
If the initial investment of 1000 doubles in value in 9.8 years find the rate for continous compounding.
so the formula would be
1 answer
asked by
cade
414 views
path of a frogs leap: a frog leaps from a box 3 feet high and lands 4 feet from the base of the stump. we can consider the
4 answers
asked by
steph
3,112 views
Physics: a ball is thrown vertically upward with an initial velocity of 80 feet per second. the distance (in feet) of the ball
4 answers
asked by
steph
7,023 views
area of a rectangular region: a farmer wishes to create two rectangular regions bordering a river, by three fences perpendicular
3 answers
asked by
steph
1,738 views
A ferris wheel is 28 meters in diameter and makes one revolution every 10 minutes. For how many minutes of any revolution will
4 answers
asked by
ikora
5,819 views
Two nonvertical lines have slopes m1 and m2, respectively. The lines are parallel if ___ and the ___ are unequal; the lines are
4 answers
asked by
nelly
4,427 views
True or false:
Perpendicular lines have slopes that are reciprocals of one another.
2 answers
asked by
nelly
1,288 views
Given sin x = -5/6 and x is in Quadrant IV, find cos 2x (1 point)
1 answer
asked by
Nicole
426 views
Given sin x = -5/6 and x is in Quadrant IV, find cos 2x (1 point)
1 answer
asked by
Nicole
431 views
find the equation of the circles described. tangent to 2x + 3y + 13 = 0 and 2x - 3y - 1 = 0 and contains (0,4)
3 answers
asked by
Kylie
496 views
find all values of 2sin theta-3csc theta=-5
1 answer
asked by
mattie
382 views
cosx= -8/17, 180<x<270
find sin x/2= cos x/2= tan x/2=
1 answer
asked by
Kimberly
452 views
tanx= -12/5 x in Q 2.
find sin2x= cos2x= tan2x=
2 answers
asked by
Sam
592 views
simplfy the expression by double angle formula or a half angle formula.
cos^2(x/2)-sin^2(x/2) 2sin(x/2)cos(x/2)
2 answers
asked by
Amanda
505 views
jessica is standing 2 miles from the center of the base of pikes peak and looking at the summit of the mountain which is 1.4
3 answers
asked by
pete
1,711 views
Show that f and g are inverse functions algebraically.
f(x)=x^3/2 g(x)=3 cuberoot 2x My work so far: (3sqrt2x)^3 ------------ 2 I
1 answer
asked by
Annie
382 views
what are all the real zeros for 1x^5+2x^4+4x^3+19x^2+9x-5?
1 answer
asked by
Danii
276 views
A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the
4 answers
asked by
Ms. Sue please help!
819 views
How do I find all the real zeros of the polynomial function of these 3 ? ):
1) g(t) = 1/2t^4-1/2 2) g(t) = t^5-6t^3+9t 3) f(x) =
1 answer
asked by
Sira
332 views
two lighthouses A and B are positioned along the coast.A ship is positioned 30 miles from lighthouse A and 40 miles from
2 answers
asked by
Haley
690 views
a lifeguard sits on the lifeguard stand that is about eight feet high.he suddenly notices that a swimmer is struggling in the
2 answers
asked by
Haley
608 views
two observers 3 miles apart and facing each other find that the angles of the elevation of a balloon in the same vertical plane
3 answers
asked by
Haley
1,382 views
F(x)= x^2+x-12/ x^2-4 find the x and y intercepts and find x when f(x)=1
1 answer
asked by
Josie
403 views
cos x+sec x=2
if you could please show all work
1 answer
asked by
Haley
229 views
(1+tan x)^2= 2 tan x+2
please show all work
1 answer
asked by
Haley
240 views
The sum of two numbers is radical 3. Find the largest possible value for their product
2 answers
asked by
seria
976 views
The sum of two numbers is radical 3. Find the largest possible value for their product
2 answers
asked by
seria
662 views
The sum of two numbers is radical 3. Find the largest possible value for their product
1 answer
asked by
seria
376 views
how do u find the asymptotes and intercepts of y=2^(x+1) +1 and graph plzzz
thxaks uu
3 answers
asked by
samb
316 views
one to one property, 3^x-4=1/27 Need help do not understand
1 answer
asked by
supergirl
245 views
on a graph there are 3 points,
(-3,0) (0,2) (1,0) now, by using transformations, y= f(x)+1 is the answer: (-3,1) (0,3) (1,1) ??
1 answer
asked by
dilated
271 views
prove or disprove cos(x-y)=cos(x)-cos(y)
1 answer
asked by
Liz
375 views
find the inverse of the function
f(x) = x^2 − 6x, x ≥ 3
2 answers
asked by
Anonymous
505 views
3-log(x+2)=5
3 answers
asked by
Anonymous
380 views
a semicircle of radius r=3x is inscribed in a rectangle so that the diameter of the semicircle is the length of the rectangle
1.
4 answers
asked by
morgan
2,431 views
A box with an open top is to be constructed by cutting equal-sized squares out of the corners of a 18 inch by 30 inch piece of
4 answers
asked by
moshie
1,376 views
A woman works out by running and swimming. When she runs, she burns 7 calories per minute. When she swims, she burns 8 calories
2 answers
asked by
Ciara
774 views
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is
2 answers
asked by
Ciara
799 views
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work.
4x-
7 answers
asked by
Ciara
565 views
Pages
1
2