Asked by Amy Hiddleston

Determine the intervals over which the function is increasing, decreasing, or constant. (Enter your answers using interval notation. If an answer does not exist, enter DNE.)
f(x) =

4x + 2, x ≤ −2
x^2 − 10, x > −2

Answers

Answered by Steve
even without calculus, you can do these. Just think of what you know about lines and parabolas.

Then you can verify your Algebra I with calculus.

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