Question

I need help please!!

Answer 1

For f(4), it's 15. For determining x, it's 9.

For f(4), juet plug in 4 to x. 4(4) equals 16, minus 1 is 15.

For getting 35, we need to determine x. If you plug in 9 for f(x), 4(9) equals 36, minus 1 is 35.