Evaluate the expression according to the replacement value given.x2 - 3y; replace x with 8 and y with 2.
A. 58
B. 10
C. 22
D. 70
Answer: A
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Find all angles in [0°, 360°) that satisfy the equation.cot ? = 1
A. {45°, 225°} B. {225°, 315°} C. {135°, 225°} D. {45°, 315°}
Refer to the figure to answer the question. Line DH is parallel to line IM. Line BO is perpendicular to line DH.
Which of the following is a true statement?
A. m?JEF = m?LGH B. m?PLM + m?LGH = 180° C. ?FGL and ?GLK are supplementary. D. ?FGL and ?LGH are complementary.
Find the root if it is a real number.
A. 
B. 
C. 
D. 
The graph of a function f is given. Use the graph to answer the question.Find the values of x, if any, at which f has a relative minimum. What are the relative minima?
A. f has a relative minimum at x = 0; the relative minimum is 2 B. f has no relative minimum C. f has a relative minimum at x = -1 and 1; the relative minimum is 0 D. f has a relative minimum at x = -1; the relative minimum is 0