rileegetman7 rileegetman7
  • 16-10-2020
  • Mathematics
contestada

Select the correct answer.
Find the inverse of function f.
f(x) = 1/2x + 7

Respuesta :

nsrosewine nsrosewine
  • 16-10-2020

Answer:

f'(x)= 2x - 14

Step-by-step explanation:

change f(x) to y   y = 1/2x + 7

switch x and y    x = 1/2y + 7

multiply everything by 2 to cancel the denominator 2x = y + 14

solve for y     2x - 14 = y

then change y to f'(x)   f'(x) = 2x - 14

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