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Popular >

inverse of f(x)=3x-21

Solution

inverse

f (x) = 3 x - 21

Solution

\frac{x + 21}{3}

Solution steps

y = 3 x - 21

Replace

x

with

y

x = 3 y - 21

Solve for

y, x = 3 y - 21

\frac{x + 21}{3}

Popular Examples

inverse of f(x)=(x-12)/(2x+1)inverse

f (x) = \frac{x - 12}{2 x + 1}

inverse of f(x)=x^2+12x-7 inverse

f (x) = x^{2} + 12 x - 7

inverse of (x+9)/(7-4x)inverse

\frac{x + 9}{7 - 4 x}

inverse of f(x)= 2/(-x+2)inverse

f (x) = \frac{2}{- x + 2}

inverse of 5+3cos(x)inverse

5 + 3 cos (x)

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=3x-21 ?
The inverse of f(x)=3x-21 is (x+21)/3