Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = 4x + 16 and g(x) =
x - 4
A. Yes
B. No
Answer: A
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Identify the terms of the polynomial expression.4x5 - 3x4 + 2x + 5
A. -4x5, -3x4, -2x, -5 B. 4, -3, 2, 5 C. 4x5, -3x4, 2x, 5 D. 4x5, 3x4, 2x, 5
Eva invested a certain amount of money at 15% interest and $2,000 more than that amount at 16%. Her total yearly interest was $1,715. How much did she invest at each rate?
A. $2,000 at 15%, $4,500 at 16% B. $4,500 at 15%, $6,500 at 16% C. $4,700 at 15%, $6,300 at 16% D. $4,700 at 15%, $6,700 at 16% E. $6,500 at 15%, $4,500 at 16%
Solve the problem.The liquid portion of a diet is to provide at least 300 calories, 36 units of vitamin A, and 90 units of vitamin C daily. A cup of dietary drink X provides 60 calories, 12 units of vitamin A, and 10 units of vitamin C. A cup of dietary drink Y provides 60 calories, 6 units of vitamin A, and 30 units of vitamin C. Set up a system of linear inequalities that describes the minimum daily requirements for calories and vitamins. Let x = number of cups of dietary drink X, and y = number of cups of dietary drink Y. Write all the constraints as a system of linear inequalities.
A.
B.
C.
D.
Factor the polynomial completely.(x - y)3 - 64
A. (x - y - 4)(x2 - 2xy + y2 + 4x - 4y + 16) B. (x - y - 4)(x - y + 4) C. (x - y - 4)(x2 - y2 + 4x - 4y + 4) D. (x - y + 4)(x2 - 2xy + y2 - 4x + 4y + 16)