Suppose that a particle has been shot into the air in such a way that the rate at which its height H (in feet per second) is changing is . If the particle is 4,200 feet high when  seconds, write the formula for the height of the particle at any time t.

A.
B.
C.
D.
E.


Answer: B

Mathematics

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Insert ? or ? in the blank to make the statement is true.{0}  {0, 4, 5, 6, 7}

A. ? B. ?

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Solve the problem.If the area of a rectangle is fixed, the length of the rectangle varies inversely as the width. If the length of a rectangle is 25 inches and its width is 45 inches, find the length of a rectangle with a width of 15 inches.

A. 75 inches
B.  inches
C.  inches
D. 27 inches

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Use the table to solve the problem.For a function f we have the following numerical representation. Evaluate f for x = 2.

A. 6 B. 8 C. 0 D. 7

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For the given functions f and g, find the requested composite function.f(x) = 3x + 8, g(x) = 3x - 1;Find (f ? g)(x).

A. 9x + 23 B. 9x + 5 C. 9x + 11 D. 9x + 7

Mathematics