Consider the function f(x) = x + 1 .Find the intervals on which f(x) is concave up or down and all the inflection points. Choose all of the following that are correct. f(x) is concave up on (- 0, -3) and concave down on (-3, + o0). Oa. f(x) has an inflection point at x = - 3. Ob. f(x) has no inflection points. Oc. f(x) is concave up on (-3,0) and (0, + o) and concave down on (-0, -3). Od. f(x) has an inflection point at x -0. Oe.
Consider the function f(x) = x + 1 .Find the intervals on which f(x) is concave up or down and all the inflection points. Choose all of the following that are correct. f(x) is concave up on (- 0, -3) and concave down on (-3, + o0). Oa. f(x) has an inflection point at x = - 3. Ob. f(x) has no inflection points. Oc. f(x) is concave up on (-3,0) and (0, + o) and concave down on (-0, -3). Od. f(x) has an inflection point at x -0. Oe.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 99E: Determine if the statemment is true or false. If the statement is false, then correct it and make it...
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Step 1
Given,
Step 2
To find an inflection point for the given function:
An inflection point is a point on the graph where it changes its concavity.
A point of inflection occurs where the second derivative equal to zero.
consider,
Differentiate with respect to x we get,
Use quotient rule,
Again differentiate with respect to x we get,
Use quotient rule,
Put f''(x)=0 we get,
and
Therefore the inflection points are x=-3 and x=0
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