Write a cost function for the problem. Assume that the relationship is linear.A cable TV company charges $29 for the basic service plus $7 for each movie channel. Let C(x) be the total cost in dollars of subscribing to cable TV, using x movie channels.
A. C(x) = 29x + 7
B. C(x) = 29x - 7
C. C(x) = 7x + 29
D. C(x) = 7x - 29
Answer: C
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Find the sum. Simplify when necessary.
+ 
A. 
B. - 
C. - 
D. 
Graph the ellipse and locate the foci.
+ 
= 1 
A. foci at (0, 
) and (0, -
)
B. foci at (0, 5) and (0, -5)
C. foci at (5, 0) and (-5, 0)
D. foci at (0, 6) and (0, -6)
Determine the number of ways a computer can randomly generate an integer between 10 and 20 (inclusive) that is a composite number (a composite number is a number that is not a prime number).
A. ?8 B. ?6 C. 7 D. 6 E. 9
Find the Taylor series for the given function. Give the interval of convergence.f(x) = e9x2
A. 1 + 9x2 + 
x4 + 
x6 + . . . + 
x2n + . . . ; (-9, 9)
B. 1 - 9x2 + 
x4 - 
x6 + . . . + 
x2n + . . . ; (-?, ?)
C. 1 + 9x + 
x2 + 
x3 + . . . + 
xn + . . . ; (-?, ?)
D. 1 + 9x2 + 
x4 + 
x6 + . . . + 
x2n + . . . ; (-?, ?)