Evaluate the expression without using a calculator.274/3

A. 2187
B. 729
C. 81
D. 243

Answer: C

Mathematics

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Write the expression as the sum or difference of logarithms.logb

A. log_b x + 2 - 2log_b y
B. (log_b x9 + log_b b8 - log_b y2)
C. log_b x + 2 - log_b y
D. log_b x + 8 - 2log_b y

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If the population of a certain town today is N, then in one year the population will be . The initial population is 3,132. Find a formula that gives the population N after t years. ?

A.
B. ?
C.
D. ?

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Find the interval of convergence of the series.

A. 5 < x < 7 B. -? < x < ? C. x < 7 D. 5 ? x < 7

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Simplify the complex number to its rectangular form. +

A. 4 + 6j B. 10j C. 6 + 4j D. 4 - 6j

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Mathematics