Solve the problem.A company uses TV and magazines for advertising. They know that profit P is related to the amounts T spent on TV and M spent on magazines by the equation 
where P, M, and T are in hundreds of thousands. Find the maximum profit.
A. $195,000
B. $97,500
C. $175,000
D. $87,500
Answer: D
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Find all critical points and find the minimum and maximum value of the function on the given domain.Domain: [-3, 3]
A. Critical points: 2; maximum value: none; minimum value: none B. Critical points: -3, 2, 3; maximum value: 3; minimum value: 0.29002405 C. Critical points: 0.29002405, 3; maximum value: 3; minimum value: -3 D. Critical points: -3, 3; maximum value: 3; minimum value: 0.29002405
Find the quadratic approximation of f at x = 0.f(x) = x
A. Q(x) = 81x2 B. Q(x) = 9x C. Q(x) = 1 + 9x D. Q(x) = 1 - 9x
Use the linearization L(x, y) of the function.
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Solve the problem by solving a system of equations graphically.The sum of twice a number and another number is 14. The difference between twice the number and the other number is 2. Find the numbers.
A. 3, 4 B. 5, 6 C. 4, 6 D. 5, 7