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If f(x) = 6 - 5x, what is f(x)^-1? (check attachment)
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If f(x) = 6 - 5x, what is f(x)^-1? (check attachment)

If f(x) = 6 - 5x, what is f(x)^-1? (check attachment)-example-1
User Sahan Maldeniya
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f(x) = 6-5x

y = 6-5x .... replace f(x) with y

x = 6-5y .... swap x and y; solve for y

x+5y = 6

5y = 6-x

y = (6-x)/5


f^(-1)(x) = (6-x)/(5) ... replace y with the inverse function notation

Answer: Choice D.

User Kristof Neirynck
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