Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.q(x) = 3x3 + 2x + 8
A. Concave down for all x; no inflection points
B. Concave up on (-?, 0), concave down on (0, ?); inflection point (0, 8)
C. Concave up on (0, ?), concave down on (-?, 0); inflection point (0, 8)
D. Concave up for all x; no inflection points
Answer: C
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Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = x4 - 3x3- 21x2 + 74x - 97
A. Approximate local maximum at 1.513; approximate local minima at -3.023 and 3.71 B. Approximate local maximum at 1.584; approximate local minima at -3.021 and 3.786 C. Approximate local maximum at 1.604; approximate local minima at -3.089 and 3.735 D. Approximate local maximum at 1.549; approximate local minima at -3.181 and 3.689
Find and classify the relative extrema and saddle points of the function f(x,y) = figures 4.png)
sin4y for x ? 0 and 0 ?  figure.png)
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Find the measure of the indicated angle. Figure is not drawn to scale.If m and n are parallel, find the measure of ?x.
A. 36° B. 43° C. 47° D. 54°
Find an equation of the line satisfying the following conditions. If possible, write the equation in slope-intercept form. Horizontal, passing through (-5, 1)
A. x = 1 B. x = -5 C. y = -5 D. y = 1