Solve the problem.At the end of 9 mo, the balance of an account earning annual simple interest is $8180. If at the end of 15 mo the balance is $8300, what is the annual interest rate?

A. 4%
B. 3.5%
C. 3%
D. 2%


Answer: C

Mathematics

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Find the Taylor series generated by f at x = a.f(x) = ex, a = 8

A.
B.
C.
D.

Mathematics

Solve.x4 - 9x2 + 20 = 0

A. ±2, ±2
B. 2, 
C. ±2, ±
D. ±2, ±5

Mathematics

Answer the question.The table below gives the actual values of the population of a small island in the Pacific Ocean. The population is modeled by the equation   where  represents the population of the island in 1990.For the point displayed in the calculator screen above, how does the model compare to the actual?

A. The display indicates that for the year 1993, the model gives a value of about 87 people, which is slightly less than the actual value of 88 people. B. The display indicates that for the year 1990, the model gives a value of 75.2 people, which is slightly more than the actual value of 75 people. C. The display indicates that for the year 1995, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people. D. The display indicates that for the year 1993, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people.

Mathematics

Solve by the substitution method.9x + 8y = 324x - 4y = 52

A. {(8, -5)} B. ? C. {(7, -4)} D. {(8, -4)}

Mathematics