How do you find the concavity for

Meghan Delacruz

Meghan Delacruz

Answered question

2022-04-15

How do you find the concavity for f(x)=3x24?

Answer & Explanation

Colin Collins

Colin Collins

Beginner2022-04-16Added 10 answers

Investigate the sign of the second derivative.
Explanation:
f(x)=3x24
f(x)=6x3
fx)=18x4
f" is positive for all x in the domain of f, so the graph of f is concave up on the domain of f.
The graph of f is concave up on (,0) and on (0,).

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