?The population P ( in thousands) of Japan from 1980 through 2010 can be modeled by  where t is the year, with  corresponding to 1980. Determine the population growth rate,

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?

A. ?
B. ?
C. ?
D. ?
E. ?

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Answer: A

Mathematics

Determine the value of x or ? as requested. Round results to an appropriate number of significant digits.Determine the value of ?.

A. 1.40° B. 42.9° C. 0.700° D. 47.1°

Find the derivative of the function.f(x) = (1 - 2x2)(5x2 - 40)

A. -40x3 + 170x B. -40x3 + 170 C. -40x4 + 170x2 D. 10x3 + 85x

Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.

A. (4, 8, 4) B. (7, -4, -8) C. (8, 2, 8) D. (7, 4, 8)

Solve the equation.4x + 14 = 0

A.
B.
C.
D.