What is the domain of f(x)=sqrt(4x+9)+sqrt(4x-9) ?

The domain of f(x)=sqrt(4x+9)+sqrt(4x-9) is x>= 9/4

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domain of f(x)=sqrt(4x+9)+sqrt(4x-9)

domain

f (x) = 4 x + 9 + 4 x - 9

x \geq \frac{9}{4}

Interval Notation

[\frac{9}{4}, \infty)

Solution steps

Find non-negative values for radicals:

x \geq \frac{9}{4}

The function domain

x \geq \frac{9}{4}

3^{x} + 6

g (x) = - \frac{1}{2 1 - x}

y = 7 x + 5

\frac{x}{9 - x}

f (x) = e^{(- x^{2})}

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