Use calculus and a graphing calculator to find the approximate location of all relative extrema.f(x) = 0.1x4 - x3- 15x2 + 59x + 14
A. Approximate local maximum at 1.692; approximate local minima at -6.684 and 12.56
B. Approximate local maximum at 1.791; approximate local minima at -6.852 and 12.46
C. Approximate local maximum at 1.691; approximate local minima at -6.833 and 12.626
D. Approximate local maximum at 1.735; approximate local minima at -6.777 and 12.542
Answer: D
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; R = {(x, y): 1 ? x ? 7, 1 ? y ? 7}
A. 
B. 
2
C. 
2
D. 
Provide an appropriate response.Find the area of a sector of a circle, A, if ? = 70° and r = 5 in.
Fill in the blank(s) with the appropriate word(s).
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.tan 2B
A. 
B. - 
C. 
D. - 
Answer the question.Let int S be the set of all interior points of S, and let cl S be the closure of S (S ? the set of all boundary points of S). Which of the following statements are true?I: If S is convex, then int S is convex.II: If S is convex, then cl S is convex.
A. Both I and II B. Neither I or II C. II D. I