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) = 5(x + 6)(x - 1)3
A. -6, multiplicity 1, crosses x-axis; 1, multiplicity 3, crosses x-axis
B. 6, multiplicity 1, touches x-axis; -1, multiplicity 3
C. -6, multiplicity 1, touches x-axis; 1, multiplicity 3
D. 6, multiplicity 1, crosses x-axis; -1, multiplicity 3, crosses x-axis
Answer: A
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Solve the problem.Find the center of mass of the thin semicircular region of constant density 
bounded by the 
and the curve 
.
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.2 ÷ 
A. 
B. 1
C. 
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Write the sentence with symbols, using x to represent the number.When 2 is added to another number the result is -4.
A. -6 - 4 = x B. -4 - 2 = x C. x - 4 = 2 D. x + 2 = -4