Evaluate the function.Find f(-2) when f(x) = x2 - 3x + 4.
A. 2
B. 14
C. 6
D. -6
Answer: B
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Use a proportion to solve the problem.On a map of the Fox River, 1 centimeter represents 5 kilometers. If a trail by the river is actually 22.00 kilometers long, what is the length of the river on the map?
A. 12 cm B. 4.4 cm C. 17 cm D. 6.4 cm
Find a rectangular equation equivalent to the given pair of parametric equations.x = 2 sin t, y = 3 csc t; 0 < t < ?
A. y = 
; 0 < x ? 2
B. y = 4x; 0 < x ? 2
C. y = 6x; 0 < x ? 2
D. y = 
; 0 < x < 2
Solve the problem.A reflecting telescope has a mirror shaped like a paraboloid of revolution. If the distance of the vertex to the focus is 32 feet and the distance across the top of the mirror is 74 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Find the difference. Subtract vertically. 3y4 - 7y3 + 7y2
A. 3y4 - 6y3 + 3y2 + y + 12 B. 3y4 - 8y3 + 3y2 - y - 12 C. 3y4 - 6y3 + 11y2 - y - 12 D. 3y4 - 8y3 + 11y2 + y + 12