Solve the problem.A thermometer reading  is placed inside a cold storage room with a constant temperature of  If the thermometer reads  in 6 minutes, how long before it reaches  Round your answer to the nearest whole minute.

A. 0 min
B. -13 min
C. 14 min
D. 50 min


Answer: D

Mathematics

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Solve the problem.If h(x) = x2 + 5x - 14 , solve h(x) > 0.

A. (2, ?) B. (-?, -7) or (2, ?) C. (-7, 2) D. (-?, -7)

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Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x + 2)2(x - 1)

A. x = -2, multiplicity 1; x = 1, multiplicity 1 B. x = -2, multiplicity 1; x = 1, multiplicity 2 C. x = -2, multiplicity 2; x = 1, multiplicity 1 D. x = 2, multiplicity 2; x = 1, multiplicity 1

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Perform the operation and write the result in the standard form.(11 + 7i) - (2 + 2i)

A. 13 + 9i B. -13 - 9i C. 13 - 5i D. 9 + 5i

Mathematics

Multiply. Write the result in the form a + bi.(2 - 9i)(8 - 2i)

A. -2 - 76i B. 18i2 - 76i + 16 C. -2 + 76i D. 34 - 68i

Mathematics