## Related questions with answers

Question

For the following problem, Suppose k< 0.

State the domain and range of the function $f: x \rightarrow k x^2$.

Solution

VerifiedStep 1

1 of 2The domain of the function is set of all real numbers, that means that for $x$ we can take any real number.

Because $k<0$ $f$ will be negative number, no matter if $x$ positive or negative.

The range of the function $f$ are all negative real numbers.

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