How to find concave down intervals by graphing functions

Practice Questions

CLEP Calculus › How to find concave down intervals by graphing functions

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1

Find the intervals on which the function is concave down:

2

Tell whether f(x) is concave up or concave down on the interval \[1,2\]

3

An upwards facing parabola with origin at the point is:

4

Find the interval(s) where the following function is concave down. Graph to double check your answer.

$y=\frac{1}{3}x^3+2x^2-5x-6$

5

Find the intervals on which the function is concave down:

6

Is concave down on the interval $\left ( -5,-4\right )$ ?

$\small f(x)=x^3+4x^2-5x$

7

Is the function b(t) concave up, concave down, or neither when t is equal to -3?

8

Find all intervals where the graph of the function $\small f(x) = 5x^4 - 60x^2 + 100x - 17$ is concave down.

9

Determine the intervals on which the function is concave down:

$f(x)=-\ln(5x)$

10

Find the interval(s) in which the following function is concave down.

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