What is the domain of f(x)=sqrt(18-2x^2) ?

The domain of f(x)=sqrt(18-2x^2) is -3<= x<= 3

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domain of f(x)=sqrt(18-2x^2)

domain

f (x) = 18 - 2 x^{2}

- 3 \leq x \leq 3

Interval Notation

[- 3, 3]

Solution steps

Find non-negative values for radicals:

- 3 \leq x \leq 3

The function domain

- 3 \leq x \leq 3

(2 x - 5) (9 - x)

x^{2} - 4, x \leq - 2

y = - 2 x + 4

y = - 2 x + 2

y = - 2 x + 3

What is the domain of f(x)=sqrt(18-2x^2) ?
The domain of f(x)=sqrt(18-2x^2) is -3<= x<= 3