1. Consider the function f (x) = 2x - 1
What is the output if the input is x - -3?
f (x) = __
2. Which is an ordered pair of the relation y = 2/3 x - 5?
A. (9, 2)
B. (6, -1)
C. (3, 3)
D. (-3, 7)
3. Which are examples of non-linear functions? Choose all that apply.(2 points)
A. y = 10x + 3
B. y = -3x + 6
C. y = 5x^3 + 5
D. y = 3x^2 + 10
E. y = 4x - 5
4. Determine the rate change of the linear function given the table below.
x. -3, -2, -1, 0, 1
y. -10, -7, -4, -1, 2
M = __
5. A computer technician charges a fee of $50 to diagnose a problem and $70 per hour to fix it. Write an equation in slope-intercept form to represent this situation. Identify the initial value and the rate of change.
A. The rate of change is $120.
B. The initial value is $50 and the rate of change is $70.
C. The initial value is $120.
D. The initial value if $70 and the rate of change is $50.
6. Which equation of the linear function models the relationship shown in the table.
X. 2, 4, 5, 8, 10.
Y. 21, 17, 15, 9, 5.
A. y=−3x+19
B. y = 2x + 21
C. y = 2x + 24
D. y = -2x + 25
7. Part A
What is the common difference of the arithmetic sequence 50, 46, 42, 38,....?
A. -4
B. -3
C. 4
D. 2
Part B.
Determine the 6th and 20th terms of the arithmetic sequence above.
6th term is __
20th term is __
1. f(x) = -7
2. B. (6, -1)
3. C. y = 5x^3 + 5, D. y = 3x^2 + 10
4. M = 3
5. B. The initial value is $50 and the rate of change is $70.
6. D. y = -2x + 25
7.
Part A. A. -4
Part B.
6th term is 34
20th term is -54