Write a function rule for the data in the table.
Input (x) 1 2 3 4 5
Output(y) 6 8 10 12 14
I've been looking at this for about an hour now and can't figure out how to write it. I understand what the rule is, but I dont know how to write it as a function rule. Please help, lol.
I'm sorry, I don't understand what you are trying to convey. Can you please provide more context or clarify your message?
maybe:
y(x) = 2 x + 4
50,40,30,20 write a rule for this sentence
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explain how to write a function rule from the table below. then write a function rule. x 0, 2, 4, 6/y 2, 1, 0, -1
To write a function rule from a table, we need to identify the relationship between the inputs (x) and outputs (y) and express that relationship algebraically. In this case, notice that for every increase of 2 in x, y decreases by 1. This means that there is a constant rate of change of -1/2 between x and y.
We can express this relationship algebraically as:
y = -1/2x + b
where b is the y-intercept. To find b, we can substitute the values of x and y for any two points in the table and solve for b.
Let's use the first two points (0, 2) and (2, 1):
2 = -1/2(0) + b
b = 2
Now that we know b, we can write the function rule as:
y = -1/2x + 2
Therefore, the function rule for the table is:
y = -1/2x + 2
shorten
The function rule for the table is:
y = -1/2x + 2
To write a function rule for the given data, we need to find the relationship between the input (x) and the output (y) values. Looking at the table, we can see that for each value of x, the corresponding y value is obtained by multiplying x by 2 and adding 4.
Therefore, the function rule for this data is:
y = 2x + 4
In this equation, x represents the input, and y represents the output. To find the output for any given input, substitute the value of x into the equation and evaluate. For example, if x = 3, we can find the output as follows:
y = 2(3) + 4
= 6 + 4
= 10
Thus, when x is 3, the output (y) will be 10.