Find the line of symmetry.f(x) = 4x2 - 24x + 35
A. x = -3
B. x = -1
C. x = 1
D. x = 3
Answer: D
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Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 25 B. 1250 C. 250 D. 125
Write the improper fraction as a mixed or whole number.
A. 
B. 
C. 
D. 
Solve the variation problem.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 150 milliamperes when the resistance is 2 ohms, find the current when the resistance is 10 ohms.
A. 750 milliamperes B. 30 milliamperes C. 745 milliamperes D. 60 milliamperes
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. -x - 7 B. -x + 7 C. x - 7 D. cannot be simplified