Solve the problem.A cable TV company charges $26 for the basic service plus $5 for each movie channel. Let C(x) be the total cost in dollars of subscribing to cable TV, using x movie channels. Write a cost function.
A. C(x) = 26x + 5
B. C(x) = 5x - 26
C. C(x) = 26x - 5
D. C(x) = 5x + 26
Answer: D
Mathematics
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Solve the problem.The position(in feet) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's velocity at time t.
A. v = - A
cos 
ft/sec
B. v = A
cos 
ft/sec
C. v = A
cos 
ft/sec
D. v = A cos 
ft/sec
Mathematics
Determine whether the pair of fractions is equivalent.
and 
A. equivalent B. not equivalent
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 
D. 
Mathematics
Find a so that the statement is true.
A. 6 B. 5 C. 0 D. 3 E. 4
Mathematics