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Popular >

inverse of f(x)=4x-9

Solution

inverse

f (x) = 4 x - 9

Solution

\frac{x + 9}{4}

Solution steps

y = 4 x - 9

Replace

x

with

y

x = 4 y - 9

Solve for

y, x = 4 y - 9

\frac{x + 9}{4}

Popular Examples

intercepts of x^2-4x-21 intercepts

x^{2} - 4 x - 21

domain of (20-x)^{1/4}domain

(20 - x)^{\frac{1}{4}}

range of sqrt(x-1)range

x - 1

shift f(x)=-2+2cos(2x+(5pi)/3)shift

f (x) = - 2 + 2 cos (2 x + \frac{5 π}{3})

intercepts of (x^2+x-12)/(x^2-4)intercepts

\frac{x ^{2} + x - 12}{x ^{2} - 4}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=4x-9 ?
The inverse of f(x)=4x-9 is (x+9)/4