Determine any local or absolute extrema as indicated.Estimate graphically the absolute extrema of f(x) = 
x3 - 2x2 - 5x.
A. Absolute maximum: -1; absolute minimum: 5
B. No absolute maximum; no absolute minimum
C. Absolute maximum: ?; absolute minimum: -?
D. Absolute maximum: 2.67; absolute minimum: 66.67
Answer: B
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In a bandpass filter, f1 = 45 KHz and f2 = 60 KHz. Find fm.
a. 51.0 KHz b. 52.0 KHz c. 52.5 KHz d. 54.2 KHz e. 55.7 KHz
Provide an appropriate response.A horizontal beam safely supports a load P that varies jointly as the product of the width W of the beam and the square of the depth D and inversely as the length L. A beam that has a width of 8 in, depth of 12 in. and a length of 36 in. can safely support 1,792 lb. Determine the safe load in pounds of a beam made from the same material if the beam is 105 in. long.
A. 1,382.4 lb B. 921.6 lb C. 614.4 lb D. 56 lb
Determine whether the relation is a function.
A. It is not a function. B. It is a function.
Solve.
= -10
A. 4 B. -5 C. -4 D. No solution