Find the vertex of the parabola.f(x) = 3x2 - 18x + 32
A. (5, 3)
B. (3, 5)
C. (-3, -5)
D. (-5, -3)
Answer: B
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A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
bh; b = 5, h = 6
A. 11.5 B. 15 C. 30 D. 11
Find the indicated sum. Find the sum of the first 9 terms of the geometric sequence: 
, 
, 
, 
, 
, . . .
A. 
B. 
C. 
D. 
Solve the problem.A guitar string is plucked so that it vibrates with a frequency of 
Suppose the maximum displacement at the center of the string is 
Find an equation of the form 
to model this displacement. Round constants to 2 decimal places.
A. s(t) = 1.16 cos 10.50t B. s(t) = 1.16 cos 414.69t C. s(t) = 0.58 cos 10.50t D. s(t) = 0.58 cos 414.69t
Solve the problem.The floor of a rectangular room is to be tiled with 
foot square tiles along a 6
foot wall. How many tiles will be needed along the wall?
A. 18
tiles
B. 18
tiles
C. 20 tiles
D. 2
tiles