Solve the problem.Ellen wishes to mix candy worth $4.01 per pound with candy worth $6.08 per pound to form 45 pounds of a mixture worth $5.80 per pound. How many pounds of the more expensive candy should she use? Round your answer to the nearest pound, if necessary.
A. 8 lb
B. 6 lb
C. 39 lb
D. 44 lb
Answer: C
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Find the average rate of change of the function from x1 to x2.f(x) = from x1 = 2 to x2 = 8
A.
B. -
C. 2
D. 7
Give the equation of the oblique asymptote, if any, of the function.h(x) =
A. y = x +
B. y = x
C. y =
D. no oblique asymptote
Solve the problem.A rotating beacon is located 6 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by a = 6|sec (2?t)| , where t is in seconds, find a when t = 0.37 seconds. Round your answer to the nearest hundredth.
A. 11.94 ft B. 15.11 ft C. 8.76 ft D. -8.76 ft
Graph the ellipse and locate the foci.4x2 = 36 - 9y2
A. foci at (0, ) and (0, -
)
B. foci at (2, 0) and (-2
, 0)
C. foci at (, 0) and (-
, 0)
D. foci at (, 0) and (-
, 0)