Question

Use the table to answer the question:
x y
0 -4
1 -2
2 0
3 2
Which of the following equations describes the function in the table using function notation?

(1 point)
Responses

f(x)=12x−4
f of x is equal to 1 half x minus 4

f(x)=2x+4
f of x is equal to 2 x plus 4

f(x)=12x+4
f of x is equal to 1 half x plus 4

f(x)=2x−4

Answer 1

f(x) = 2x − 4

Reason: y increases by 2 when x increases by 1 (slope = 2), and when x = 0, y = −4 (y-intercept = −4), so f(x) = 2x − 4.