Find the product.
? 
A. 
B. 
C. 
D. 16x2y
Answer: B
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For the pair of functions, perform the indicated operation.f(x) = x3 + 3x2, g(x) = 
Find (f + g)(x).
A. x3 +
B. x3 + 3x2 + x - 8
C. x3 + 3x2 + 
D. 
Solve the problem.Two foods are to be mixed. Food I contains 10 grams of carbohydrates per unit. Food II contains 5 grams of carbohydrates per unit. The total grams of carbohydrates in the mixture may not exceed 170 grams. No more than 17 units of Food I and no more than 12 units of Food II are to be used in the mixture. Each food contains 20 grams of protein per unit. How many units of each food should be used to maximize the grams of protein in the mixture?
A. 11 units of Food I and 12 units of Food II B. 34 units of Food II and 0 units of Food I C. 13 units of Food I and 8 units of Food II D. 12 units of Food I and 10 units of Food II
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 + 2x + 6 = 0
A. two rational solutions B. two nonreal complex solutions C. one rational solution D. two irrational solutions
Solve the equation by extracting the square roots.3x2 = 81
A. x = 3
B. x = 3 or x = -3
C. x = 3
D. x = 3
or x = -3