Write the series using summation notation.1 + 
+ 
+ 
+ 
A. 
)
B. 
)
C. 
)
D. 
Answer: C
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Multiply.
A. 
B. 
C. 
D. 
Solve the problem. Round your answer to the nearest whole number.A line from the top of a cliff to the ground passes just over the top of a pole 7.0 feet high and meets the ground at a point 6.0 feet from the base of the pole. If the point is 64 feet from the base of the cliff, how high is the cliff?
A. 2688 feet B. 75 feet C. 6 feet D. 448 feet
Factor the sum or difference of two cubes completely.8p3 + q3
A. (2p + q)(4p2 + q2) B. (2p + q)(4p2 + 2pq + q2) C. (2p + q)(4p2 - 2pq - q2) D. (2p + q)(4p2 - 2pq + q2)
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) = 
4(x2 + 2)4
A. - 
, multiplicity 4, touches x-axis; -2, multiplicity 4, crosses x-axis
B. - 
, multiplicity 4, crosses x-axis
C. 
, multiplicity 4, touches x-axis; 2, multiplicity 4, crosses x-axis
D. - 
, multiplicity 4, touches x-axis