Question

I need help on this I am just going to use the picture

Answer 1

D is the correct answer

Answer 2

Answer:

D

Step-by-step explanation:

let y = f(x), that is

y = $\frac{2x-3}{5}$

Rearrange making x the subject

Multiply both sides by 5

5y = 2x - 3 ( add 3 to both sides )

5y + 3 = 2x (divide both sides by 2 ) , then

x = $\frac{5y+3}{2}$

Change y back into term of x, hence

$f^{-1}$(x) = $\frac{5x+3}{2}$ → D