Question

Select the equation that is the inverse of the given function.

f(x) = x-3/5

• f^-1(x) = 5x + 15
• f^-1(x) = 5x + 3
• f^-1(x) = 3x - 5
• f^-1(x) = - 5/3x

Answer 1

b

Explanation:

got it right

Answer 2

• f^-1(x) = 5x + 3

Explanation:

Given function

• f(x) = (x - 3)/5

Its inverse is

• x = (f^-1(x) - 3)/5
• 5x = f^-1(x) - 3
• f^-1(x) = 5x + 3

The second option is correct