Find the product.(2x - 6)(x + 5)
A. x2 - 30x + 4
B. x2 + 4x + 3
C. 2x2 + 3x - 30
D. 2x2 + 4x - 30
Answer: D
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Provide an appropriate response.Find any local extrema (maxima, minima, or saddle points) of 
given that 
and 
A. Saddle point at 
B. Local minimum at 
C. Local maximum at 
D. Local minimum at 
Solve the problem.The Human Resources department of a medium-sized corporation reported that the average age of its employees is 
years and the average number of hours each employee worked each week is 
hours. Round each of these numbers to the nearest ten.
A. 60 years; 50 hours B. 50 years; 40 hours C. 50 years; 50 hours D. 60 years; 40 hours
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
Find the values of x for which given series converges.
A. x < -12 or x > 12 B. 0 < x < 12 C. -12 < x < 12 D. x > 12