Simplify. Assume that all variables are nonnegative.
A. 2ab
B. 2ab2
C. 2ab2
D. 2ab
Answer: D
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Approximate the square root. Round to the nearest tenth, if needed.
A. 15.5 B. 15.2 C. 15.4 D. 15.3
Given f(x) and g(x), find the indicated composition and evaluate.f(x) = x2 + 3; g(x) = 4x + 5Find (g ? f)(7).
A. 1092 B. 57 C. 203 D. 213
Plot and label the points indicated by the coordinate pairs.A(1, 1), B(-5, -5)
A. 
B. 
C. 
D. 
Describe the situation with a linear inequality and then solve the inequality.ABC phone company charges $20 per month plus 
per minute of phone calls. XYZ phone company charges $12 per month plus 8¢ per minute of phone calls. How many minutes of phone calls should be made each month to make XYZ phone company a better deal?
A. < 400 minutes B. > 40 minutes C. < 40 minutes D. > 400 minutes