Solve the problem.The graph models the monthly average temperature y in degrees Fahrenheit for a city in the United States, where x is the month.
Find and interpret the amplitude.
A. The amplitude is 28 and represents the temperature range.
B. The amplitude is 56 and represents half of the temperature range.
C. The amplitude is 59 and represents the midpoint of the monthly average temperatures.
D. The amplitude is 28 and represents half of the temperature range.
Answer: D
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Find the future value of the given annuity. Round to the nearest cent.$100 invested annually for 14 years at 2% interest compounded annually
A. $646.80 B. $1597.39 C. $6597.39 D. $1468.03
Solve the problem.Find the eighth term of the arithmetic sequence with first term -5 and common difference 4.
A. -33 B. 27 C. -37 D. 23
Completely factor the polynomial or state that the polynomial is prime.x2 + 64
A. (x + 8)2 B. (x - 8)2 C. prime D. (x + 8)(x - 8)
Use the choices below to fill in the blank. Choices may be used more than once or not at all.
A formula for calculating a combination of n items taken r at a time is 
.
A. 
B. 
C. 
D. 