Question

Write the inverse function for the function, ƒ(x) = x + 4. Then, find the value of ƒ -1(4). Type your answers in the box. ƒ ^-1(x) =___ a0 x___a1___a2 ƒ -1(4) = ___ a3

Answer 1

f-1(x)= y-4

y=x-4

y-4=x

f-1(4)= 4-4= 0

Explanation:

Answer 2

f-1(x)= y-4

y=x-4

y-4=x

f-1(4)= 4-4= 0