Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x3 + 6, g(x) = 
A. No, yes
B. Yes, no
C. No, no
D. Yes, yes
Answer: D
Mathematics
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Factor the polynomial.8y2 + 18y + 9
A. (2y + 3)(4y + 3) B. (8y + 3)(y + 3) C. (2y - 3)(4y - 3) D. prime
Mathematics
Shade the solution set to the system of inequalities.2x + y ? 4 x - 1 > 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose that y is directly proportional to x and that y = 40 when x = 8. Find the constant of proportionality k. Then use y = kx to find y when x = 17.
A. k = 320; y = 
B. k = - 5; y = - 85
C. k = 5; y = 85
D. k = 7; y = 119
Mathematics
Use the given information to find the quadrant in which ? lies.csc ? > 0 and sec ? > 0
A. Quadrant IV B. Quadrant II C. Quadrant III D. Quadrant I
Mathematics