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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

domain of f(x)=(sqrt(x-5))/4 domain

f (x) = \frac{x - 5}{4}

simplify (90.2)(70.3)simplify

(90.2) (70.3)

parity f(x)=-2x^2+4 parity

f (x) = - 2 x^{2} + 4

domain of (x+1)/(2x-2)-(x-1)/(2x+2)-2/(1-x^2)domain

\frac{x + 1}{2 x - 2} - \frac{x - 1}{2 x + 2} - \frac{2}{1 - x ^{2}}

inverse of-2x inverse

- 2 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