Question

Check my work please! I got 7?

If f(x) = −4x − 1, find f(−2).

−9

−7

−10

7

Answer 1

Looks good :)

Answer 2

so for other questions like this is just plug in the -2 or whatever the number is?

Answer 3

yes

Answer 4

yes. replace the variable with the number and do the arithmetic

Answer 5

when you have a function of x... doesn't matter if you call it f(x) or g(x) or whatever(x), then f(-2) is just evaluating the f expression using x=-2

Answer 6

thanks bro