Solve the problem.Find three numbers whose sum is 60 and whose product is a maximum.
A. 30, 30, and 30
B. 20, 15, and 15
C. 20, 20, and 20
D. 30, 15, and 15
Answer: C
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Solve the problem.Given that p ? q is true, what can you conclude about the truth values of p and q?
A. At least one of p and q must be true B. Exactly one of p and q is true C. Both p and q are true D. p and q have the same truth value
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -4.
(2u - 4v) at x = 2
A. 22 B. 14 C. 20 D. -12
Solve the problem.You have money in an account at 10% interest, compounded annually. To the nearest year, how long will it take for your money to double?
A. 6 years B. 4 years C. 7 years D. 10 years
Solve the equation.b(b + 11) = 0
A. {11, 0} B. {1, -11} C. {-11, 0} D. {-1, -11}