Find the exact value of the expression.cos
A. 
B. 1
C. 
D. 
Answer: A
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Find the power series representation for f(x).f(x) = 
A. 1 + 10x + 75x2 + 500x3 + . . . B. 1 - 10x + 75x2 - 500x3 + . . . C. -5 + 50x + 375x2 + 2500x3 + . . . D. -5 + 50x - 375x2 + 2500x3 - . . .
State the practical meaning of the slope and vertical intercept in the given situation.The cost, in dollars, of cellular phone service with Econo-phone is given by 
where x is the number of minutes used in one month.
A. 0.17 signifies the cost per minute, and 29.90 signifies the monthly service charge. B. 29.90 signifies the total phone bill, and 0.17 signifies the number of minutes used. C. 29.90 signifies the cost per minute, and 0.17 signifies the monthly service charge. D. 0.17 signifies the hourly phone rent, and 29.90 signifies the cost of the hardware.
Factor the GCF from each term in the expression.4x - 20
A. 4(x - 20) B. 4x - 5 C. -80x D. 4(x - 5)
For the given functions, find the requested function or functional value.For f(x) = -3x - 1 and g(x) = 5x2 + 5x - 7, find (g ? f)(-7).
A. 230 B. 193 C. 2093 D. -610