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13 April, 19:23

The inverse of the function f (x) = {x+

+ 10 is shown

h (x) = 2x-0

What is the missing value?

A. 1

B. 5

C. 10

D. 20

+1
Answers (2)
  1. 13 April, 20:31
    0
    D

    Step-by-step explanation:

    f (x) = x + 10

    Replace f (x) with y.

    y = x + 10

    Now, remember that in an inverse function you flip the x and y, so

    x = y + 10

    Solve for y

    y = x - 10

    because its 2x ... we must multiply by 2.

    2y = 2x - 20

    Original equation:

    h (x) = 2x - 0

    h (x) is 2y ...

    D.
  2. 13 April, 20:51
    0
    The missing value is 20
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