Solve the quadratic inequality by graphing an appropriate quadratic function.x2 + 7x ? -12
A. (-?, -4] ? [-3, ?)
B. [-3, ?)
C. [-4, -3]
D. (-?, -4]
Answer: A
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Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -2, 1 B. -2, 1, 8 C. -1, 2 D. -2, 0, 1
Factor the expression. Express your answer so that only positive exponents occur. x7/8 + 3x6/8
A. x3/4(x1/8 + 3) B. x1/8(x7/8 + 3) C. x1/8(x1/8 + 3) D. x3/4(x-1/8 + 3)
Use the table to answer the question.Let y be the value of a house (in thousands of dollars), x years after it is purchased. Some pairs of values are listed in the table below.Find an equation that describes the relationship between x and y.
A. y = -3x + 75 B. y = 3x C. y = 3x + 75 D. y = 3x - 75
Find the vertical asymptotes of the rational function.g(x) =
A. x = 5 B. x = -5 C. x = 3 D. none