Solve the problem.Kimberly invested  in her savings account for 7 years. When she withdrew it, she had . Interest was compounded continuously. What was the interest rate on the account? Round to the nearest tenth of a percent.

A. 3.4%
B. 3.45%
C. 3.2%
D. 3.3%


Answer: D

Mathematics

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Solve the following system of equations by substitution. If both variables cancel out, state the solution as no solution or infinitely many solutions.8x + 2y = 59 + y7x + 6y = 26

A. (8, -5) B. no solution C. (-5, 8) D. (9, -6)

Mathematics

The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = 0

A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable

Mathematics

Translate the sentence into an equation. Use x to represent the unknown number. The quotient of a number and 4 results in 10.

A.  = 10
B. 4 - x = 10
C.  = 10
D. 4x = 10

Mathematics

Assume that the expressions given are denominators of fractions. Find the least common denominator. e + f, e - f, e2 - f2 

A. (e + f)2(e - f)2 B. e(e - f) C. f(e + f) D. (e + f)(e - f)

Mathematics