Multiply.(x + 4)(x2 - x + 7)
A. x3 + 3x2 + 28
B. x3 + 3x2 + 3x + 28
C. x3 + 28
D. x3 + 5x2 + 11x + 28
Answer: B
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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. B ? C
A. {w, y, z} B. {y, z} C. {q, s, v, w, x, y, z} D. {y}
Determine whether the graph shows a consistent system with independent equations, a consistent system with dependent equations, or an inconsistent system with independent equations.
A. Consistent with dependent equations B. Inconsistent with independent equations C. Consistent with independent equations
Write an expression using exponents.(-x)(-x)(-x)(-y)(-y)
A. 5(-x)(-y) B. 3(-x) ? 2(-y) C. (-x-y)5 D. (-x)3(-y)2
Provide an appropriate response.Suppose that you want to invest some money in order to have $1000 available at some later time. If you invest it at 7% interest compounded continuously, the amount you need to invest now, P, is related to the number of years from now that you need the money, t, by: P(t) = 1000e-0.07t. Graph this on your graphing calculator in the window 
×
. Discuss the behavior of this graph.
What will be an ideal response?