Find the value of the polynomial at the given replacement values.5x2 + 8x when x = 4
A. 48
B. 52
C. 112
D. 72
Answer: C
Mathematics
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Match the graph to the given cylindral or spherical equation.? sin ? = 6
A. 
B. 
C. 
D. 
Mathematics
Find the vertex.f(x) = 3x2 - 6x - 2
A. (-1, 5) B. (5, -1) C. (-5, 1) D. (1, -5)
Mathematics
Solve the problem.In an electric circuit, the electromotive force is defined as V = cos 2?t, where t is time in seconds. Solve the equation for t.
A. t = 
arccos V
B. t = 
cos V
C. t = 2? arccos V
D. t = 2? cos V
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics