If f(x) and f^-1 (x) are inverse fuctions of each other and f(x) = 2x+5 what is f^-1(8)

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Kazaag · Answer 1 · 2020-02-03T02:38:36+0000

Answer:

1.5

Explanation:

first you find the inverse of the equation

Switch the x and y so

x=2y+5

x-5=2y

(x-5)/2=y

then you plug in 8 for x

f-1(8)= (8-5)/2

f-1(8)= 1.5

If f(x) and f^-1 (x) are inverse fuctions of each other and f(x) = 2x+5 what is f^-1(8)

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If f(x) and f^-1 (x) are inverse fuctions of each other and f(x) = 2x+5 what is f^-1(8)​

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If f(x) and f^-1 (x) are inverse fuctions of each other and f(x) = 2x+5 what is f^-1(8)