Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 
; g(x) = 5x + 20
A. (-?, -4] ? [0, ?)
B. [-4, ?)
C. (-?, ?)
D. [0, ?)
Answer: B
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Solve the problem.Your bank account has $85 in it when you write checks for $21, $20, and $35. You then deposit $41 and $22. How much is in the account? Are you overdrawn?
A. $98, no B. $107, no C. -$98, yes D. $72, no
Solve the problem.A lens can be described as the volume generated by rotating the first quadrant area under the curve 
about the y-axis (measurements in cm). Find its centroid.
A. 0.833 cm above the center of the base B. 1.25 cm above the center of the base C. 1.67 cm above the center of the base D. 3.33 cm above the center of the base
Solve the problem.The following scores on the midterm exam in Chemistry 102 were recorded:
Find the 1st quartile, Q1.Find the 3rd quartile, Q3.
A. 71, 89 B. 69, 87 C. 71, 85 D. 75, 87
Determine whether the functions f and g are inverses of each other.f(x) = 6x + 3; g(x) = 
A. Yes B. No