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) = 
x2(x2 - 5)(x - 1)
A. 0, multiplicity 2, crosses x-axis;
1, multiplicity 1, touches x-axis
B. 0, multiplicity 2, crosses x-axis;
1, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
C. 0, multiplicity 2, touches x-axis;
1, multiplicity 1, crosses x-axis
D. 0, multiplicity 2, touches x-axis;
1, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
Answer: D
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Provide an appropriate response. Explain the difference between the rule for multiplying powers that have like bases and the rule for raising a base to a power to another power. Illustrate the difference with examples.
What will be an ideal response?
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? -2, x ? 7 B. x ? 0 C. x ? -7, x ? 2 D. x ? 2
Write out the first five terms of the sequence.{cn} = 
A. c1 = 4, c2 = 16, c3 = 64, c4 = 256, c5 = 1024
B. c1 = 4, c2 = 8, c3 = 
, c4 = 64, c5 = 
C. c1 = 0, c2 = 4, c3 = 8, c4 = 
, c5 = 64
D. c1 = 1, c2 = 4, c3 = 16, c4 = 64, c5 = 256
Simplify.
A. 
B. 
C. 1
D. 