Simplify, if possible.
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?

A.
B.
C.
D.
E. undefined


Answer: E

Mathematics

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For a certain population the growth rate G, measured in thousands per year, depends on the population n, measured in thousands.  The relationship is

. ? A:  Make a graph of G versus t. Include populations of up to 200,000 (corresponding to ).B:   Ecologists believe the population will be self-sustaining as long as the growth rate is 50 thousand per year or higher.  Add the horizontal line corresponding to a growth rate of 50 thousand per year to the graph you made in part A.C:  Over what population range is the growth rate 50 thousand per year or more? What will be an ideal response?

Mathematics

Find the limit of the sequence if it converges; otherwise indicate divergence.an = 1 + (-1)n + (-1)n(n+1)

A. 0 B. 1 C. 3 D. Diverges

Mathematics

Use the vectors in the figure below to graph the following vector. u + z 

A.

B.

C.

D.

Mathematics

Determine whether the variation model below is of the form  or . x 13 26 39 52 65 y 3 6 9 12 15

A.

?


B.

Mathematics