Find the exact function value if it exists.cot 240°
A. - 
B. 
C. -2
D. 1
Answer: B
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Write an equivalent expression for the function that could be graphed with a graphing calculator. Then graph the function with a graphing calculator.f(x) = log5 (3x - 1)
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Consider the points plotted in the graph below.
Give the coordinates for points G and H.
A. G: (0, -3), H: (-2, 2) B. G: (-3, 0), H: (-2, 2) C. G: (0, -3), H: (-2, -2) D. G: (-3, 0), H: (-2, -2)
Factor out the greatest common factor.108m9 + 108m7 + 72m2
A. 36m2 (3m7 + 3m5 + 2) B. 36(3m9 + 3m7 + 2m2) C. m2(108m7 + 108m5 + 72) D. No common factor (except 1)
Solve the problem.Suppose that P(x) represents the percentage of income spent on housing in year x and I(x) represents income in year x. Determine a function H that represents total housing expenditures in year x.
A. H(x) = 
(x)
B. H(x) = (P + I)(x)
C. H(x) = (P ? I)(x)
D. H(x) = (I - P)(x)