Use the commutative and associative properties to simplify the expression.-6 + (2x + 4)
A. -2x + 4
B. -36x
C. -2 + 2x
D. -24 + 2x
Answer: C
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Evaluate the improper integral or state that it is divergent.
A. -1.569 B. 1.569 C. 0.120 D. Divergent
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 10, v(0) = 13, s(0) = -6
A. s = -5t2 - 13t - 6 B. s = 5t2 + 13t C. s = 10t2 + 13t - 6 D. s = 5t2 + 13t - 6
Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 12 inches by 25 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(12 - x)(25 - x) B. V(x) = x(12 - 2x)(25 - 2x) C. V(x) = (12 - 2x)(25 - 2x) D. V(x) = (12 - x)(25 - x)
Factor the trinomial, if possible.5x3 + 10x2 - 40x
A. (x - 2)(5x2 + 20) B. 5x(x + 2)(x - 4) C. (5x2 + 10x)(x - 4) D. 5x(x - 2)(x + 4)