Find the area of the geometric figure.
A. 1,377 sq yd
B. 2,430 sq yd
C. 180 sq yd
D. 1,215 sq yd
Answer: D
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Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x3(x + 4)2(x - 9)
A. x = 0, touches the x-axis and turns around; x = -4, touches the x-axis and turns around; x = 9, crosses the x-axis B. x = 0, crosses the x-axis; x = 4, touches the x-axis and turns around; x = -9, crosses the x-axis C. x = 0, touches the x-axis and turns around; x = 4, crosses the x-axis; x = 9, crosses the x-axis D. x = 0, crosses the x-axis; x = -4, touches the x-axis and turns around; x = 9, crosses the x-axis
Solve. Round to the nearest tenth.One end guy wire is attached to the top of a 28-foot pole and the other end is anchored into the ground 21 feet from the base of the pole. Find the length of the guy wire.
21 feet
A. 34.3 ft B. 49 ft C. 35 ft D. 49.7 ft
A car owner must decide whether she should take out a $100-deductible collision policy in addition to her liability insurance policy. Records show that each year, in her area, 17% of the drivers have an accident that is their fault or for which no fault is assigned, and that the average cost of repairs for these types of accidents is $1200. If the $100-deductible collision policy costs $100 per year, would she save money in the long run by buying the insurance or "taking the chance"? (Hint: Find the expected values if she has the policy and if she doesn't have the policy and compare them.) ?
A. by buying the insurance B. by taking the chance
Use the region R to evaluate the double integral.
RR bounded by x = 2y + 2, x = 3 - 3y, y = 0
A. 
B. 
C. 
D. 