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Popular >

domain of sqrt(3x-21)

Solution

domain

3 x - 21

Solution

x \geq 7

+1

Interval Notation

[7, \infty)

Solution steps

Find non-negative values for radicals:

x \geq 7

The function domain

x \geq 7

Popular Examples

domain of f(z)=(z^2+16)/(z^2-3z-4)domain

f (z) = \frac{z ^{2} + 16}{z ^{2} - 3 z - 4}

domain of y=x^4-4x^3 domain

y = x^{4} - 4 x^{3}

domain of y=-5sin(2x-pi)domain

y = - 5 sin (2 x - π)

domain of (ln(x))/(x-3)domain

\frac{ln ( x )}{x - 3}

domain of f(x)=(x-9)/(x-64)domain

f (x) = \frac{x - 9}{x - 64}

Frequently Asked Questions (FAQ)

What is the domain of sqrt(3x-21) ?
The domain of sqrt(3x-21) is x>= 7