Round the whole number to the given place value.81,626, hundreds

A. 81,610
B. 81,500
C. 81,700
D. 81,600


Answer: D

Mathematics

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The following table shows newspaper circulation N after t months. Use logistic regression to find a logistic model for newspaper circulation.  t 4 8 9 13 17 N 121 502 701 874 963?

A.
B.
C.
D.

Mathematics

Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum , using the indicated point in the kth subinterval for ck.f(x) = cos x + 3, [0, 2?], left-hand endpoint

A.

B.

C.

D.

Mathematics

Give an appropriate answer.Letf(x) = -8 andg(x) = -5. Find[f(x) - g(x)].

A. -4 B. -8 C. -3 D. -13

Mathematics

Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.

A. half-open interval; {x|2 < x ? 8}; (2, 8] B. closed interval; {x|2 ? x ? 8}; [2, 8] C. open interval; {x|2 < x < 8}; (2, 8) D. half-open interval; {x|2 ? x < 8}; [2, 8)

Mathematics