Insert parentheses where needed so that the expression evaluates to the given number.4 ? 7 - 3 ? 5; evaluates to -32
A. (4 ? 7) - (3 ? 5)
B. (4 ? 7 - 3) ? 5
C. 4 ? (7 - 3) ? 5
D. 4 ? (7 - 3 ? 5)
Answer: D
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Determine the value of the variable so that the equality is a proportion.
= 
A. 17.65 B. 8.825 C. 10.325 D. 0.041
Answer the question about the given function.Given the function f(x) = -7x2 + 14x - 6, what is the domain of f?
A. [1, ?) B. [-1, ?) C. (-?, ?) D. (-?, 1]
Find the sum, if it exists.0.02 + 0.002 + 0.0002 + 0.00002 + . . .
A. 
B. 0
C. 
D. Does not exist
Solve.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 9 feet per second per second when the radius of the turn is 40 feet, find the acceleration the passengers feel when the radius of the turn is 120 feet.
A. 5 feet per second per second B. 4 feet per second per second C. 3 feet per second per second D. 6 feet per second per second