Question

If f(x) = 8x -2, what is f(x)^-1?

x+2/8 correct?

x/8+2

2-8x

4x-1/2

Answer 1

f^-1(x) **
And yes, \(\ \sf \dfrac{x + 2}{8} = f^{-1}(x) \) is correct

Answer 2

Thank you, can you check a few more?

Answer 3

Um, sure.

Answer 4

Thanks. If F = {(-3,2), (-2,4) (4,5), (5,7), (-3,9)}, then F is a function. True or False?

Answer 5

No

Answer 6

False?

Answer 7

Wait.

Answer 8

I guessed on this one, my answer is true but im not sure

Answer 9

If you plug -3 into a function and you get 2, is it possible that you can get 9 when you do it again?

Answer 10

so it's true?

Answer 11

Solve for x.

|4x - 5| < 7

x < 3 and x > -1/2 correct?
x > 3 or x < -1/2
x > -3 or x < 1/2
x < -3 and x > 1/2