Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x2
A. Yes, no
B. No, no
C. Yes, yes
D. No, yes
Answer: B
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Solve the inequality, then graph the solution.-12 < -5b + 3 ? 8 
A. [-1, 3)
B. (-3, 1]
C. [-3, 1)
D. (-1, 3]
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?
A. 12.2 sq units
B. 45.9375 sq units
C. 48.75 sq units
D. 43.2 sq units
E. 35.4375 sq units
and compute the Riemann sum of f over the interval 
, choosing the representative points to be the left endpoints of the subintervals, using two subintervals of equal length
Solve the system of nonlinear equations using the method of elimination.
A. (5, -6), (5, 6) B. (5, 6), (6, 5), (-5, -6), (-6, -5) C. (5, 6), (-5, 6), (5, -6), (-5, -6) D. (-5, -6), (-6, -5)
Solve the problem.The temperature, t, in degrees Fahrenheit, of water 
65 + 
m where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?
A. 17 min B. 40 min C. 14 min D. 20 min