Find the product.(4x + 11)(4x - 11)
A. 16x2 + 88x - 121
B. 16x2 - 88x - 121
C. 4x2 - 88x - 121
D. 16x2 - 121
Answer: D
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For the following question(s), refer to the digraph below.
Which of the following is not a cycle in the digraph?
A. E, D, B, E B. B, C, B, E, D, B C. A, B, E, A D. A, C, B, E, A E. all of these are cycles in the digraph.
Find an equation that shifts the graph of f by the indicated amounts.f(x) = x2 + 2x - 7; left 7 units, up 16 units
A. y = (x - 7)2 + 2(x + 7) + 10 B. y = (x + 7)2 + 2(x + 7) + 9 C. y = (x - 7)2 + 2(x - 7) + 6 D. y = (x + 7)2 + 2(x - 7) + 9
Use the appropriate formula to solve the problem.The length of a rectangular billboard is 9 inches more than the width. The perimeter of the billboard is 146 inches. Find the width of the billboard.
A. 41 in. B. 9 in. C. 36 in. D. 32 in.
If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = -5x3 - 16 + 13x4 + x9 - 3x2
A. Degree: 3; leading coefficient: -5 B. Degree: 9; leading coefficient: -5 C. Not a polynomial function. D. Degree: 9; leading coefficient: 1