Evaluate the improper integral.
A. 64
B. -8
C. 8
D. -64
Answer: C
Mathematics
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Simplify the expression by combining like terms.4 + 13t + 7
A. 13t2 + 11 B. 13t + 28 C. 13t - 11 D. 13t + 11
Mathematics
Find the vertices of the ellipse.
+ 
= 1
A. (2, -9), (2, 3) B. (-9, 2), (3, 2) C. (2, -13), (2, 7) D. (-13, 2), (7, 2)
Mathematics
Solve the problem.Ace Cable charges $27 for the basic service plus $8 for each movie channel. Let f(x) be the total cost, in dollars, of subscribing to Ace Cable and including x movie channels. Write a formula for f(x).
A. f(x) = 8x - 27 B. f(x) = 27x + 8 C. f(x) = 27x - 8 D. f(x) = 8x + 27
Mathematics
Select correct graph of the following function.
?
?
A. ?
B. ?
C. 
D. ?
E. ?
Mathematics