Question

What is the inverse of the function f(x) = 2x + 1?

o hex) = x-1
h(x) =
10x) = 3x-2
h(x) = 5x + 2

Answer 1

y = x /2 - 1/2

Explanation:

y = h(x)

y = 2x + 1 Interchange x and y

x = 2y + 1 Subtract 1

x - 1 = 2y Divide by 2

x/2 - 1/2 = y

y = x/2 - 1/2

None of your answers look like mine. If there is a mistake somewhere please leave a note.