Multiply.Let Q(x) = 7x2 + 9. Find Q(x) ? Q(x)
A. 49x4 + 7x2 + 81
B. 7x4 + 126x2 + 81
C. 49x4 + 126x2 + 81
D. 49x4 + 81
Answer: C
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A. indegree 0, outdegree 3. B. indegree 2, outdegree 1. C. indegree 1, outdegree 2. D. indegree 3, outdegree 0. E. none of these
The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
Memory. In a certain memory experiment, the rate of memorizing is given by:
where M (t ) is the number of Spanish words memorized in t minutes. The subject has no Spanish words memorized at the beginning of the experiment. How many words are memorized in 14 minutes? (Round answer to the nearest whole number.)
Write the series with summation notation.0 + 2 + 6 + 12 + 20
A. 
B. 
C. 
D. 