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 - 5)
A. 0, multiplicity 4, crosses x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
B. 0, multiplicity 4, touches x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
C. 0, multiplicity 4, crosses x-axis
D. 0, multiplicity 4, touches x-axis
Answer: B
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Evaluate. Assume that all variables represent positive numbers. 
A. 
B. 
C. - 
D. - 
Solve. Write the fraction in simplest form.In a product survey comparing several soft drinks, 
of those asked preferred Drink A, and 
of those asked preferred Drink B. Which drink was preferred by more people?
A. Drink B B. Drink A
For the pair of functions, find the quotient 
(x) and give any x-values that are not in the domain of the quotient function.f(x) = x2 - 2x - 8, g(x) = x - 4
A. x + 2; x ? 0 B. x + 2; x ? 4 C. x + 4; x ? 2 D. x + 2; x ? -4
Collect like terms.-5a - 6b - 4a
A. -15ab B. -9a - 4b C. -9a - 6 D. -9a - 6b