Solve the inequality by the test-point method. Write the solution in interval notation.x3 ? 64
A. [-4, 4]
B. (-?, -4] ? [4, ?)
C. [4, ?)
D. (-?, 4]
Answer: C
Mathematics
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Factor completely. If the polynomial is prime, so state.8x2 + 8x - 16
A. (2x + 4)(4x - 4) B. (2x - 4)(4x + 4) C. (4x + 4)(2x - 4) D. (x + 4)(8x - 4)
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Match the equation to one of the curves (for x ? 0).f(x) = 
x-5
A. 
B. 
C. 
D. 
Mathematics
The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 
A. 
B. 
Mathematics
Find the cofactor of the indicated element of the matrix shown.a22;
A. 7 B. -1 C. 1 D. -7
Mathematics