Divide.

A. 3r8 - 5r5
B. 3r9 - 5r6
C. 3r7 - 5r4
D. 24r7 - 40r4


Answer: C

Mathematics

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Solve the problem.S(x) = -x3 - 9x2 + 165x + 1300, 5 ? x ? 20 is an approximation to the number of salmon swimming upstream to spawn, where x represents the water temperature in degrees Celsius. Find the temperature that produces the maximum number of salmon.

A. 5°C B. 19°C C. 20°C D. 6°C

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Find the area enclosed by the given curves.Find the area of the "triangular" region in the first quadrant that is bounded above by the curve , below by the curve y = ex, and on the right by the line x = ln 4.

A.
B. 4 ln 4
C. 60
D.

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Show that the sets are equivalent by carefully describing a one-to-one correspondence between the sets.The set of whole numbers and the set of even natural numbers:W = {0, 1, 2, 3, . . . } and E = {2, 4, 6, 8, . . . }.

What will be an ideal response?

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Differentiate.

Mathematics