For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x4(x2 - 3)(x + 8)
A. 0, multiplicity 4, touches x-axis;
-8, multiplicity 1, crosses x-axis
B. 0, multiplicity 4, crosses x-axis;
-8, multiplicity 1, touches x-axis
C. 0, multiplicity 4, touches x-axis;
-8, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
D. 0, multiplicity 4, crosses x-axis;
-8, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
Answer: C
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A. 
B. 
C. 
D. 
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.2, 4, 8, 16, 32, ...
A. an = a1 + 2n B. an = 2 ? 2n C. an = 2 ? 2n-1 D. an = 2 ? 2n
Solve the problem.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of tires that must be sold to maximize profit.
A. 500,000 B. 500,000 C. 550,000 D. 450,000
Factor a negative number or a GCF with a negative coefficient from the polynomial.-14y3 + 8y
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