What is the domain of f(x)=ax^2+5 ?

The domain of f(x)=ax^2+5 is -infinity <x<infinity

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domain of f(x)=ax^2+5

domain

f (x) = a x^{2} + 5

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

y = x^{3} - 1

f (x) = 9 x + 9

2 x^{2} - 16 x + 30

f (x) = x^{2} + 8 x + 10

- 2 x^{2} - 16 x - 30

What is the domain of f(x)=ax^2+5 ?
The domain of f(x)=ax^2+5 is -infinity <x<infinity