Evaluate the radical expressions or indicate that the root is not a real number.

A. 3
B. 27
C. -3
D. Not a real number


Answer: A

Mathematics

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Which of the given series are absolutely convergent? Select the correct answer.

Mathematics

Solve the problem.Which has the lower present value: (a) $60,000 if interest is paid at a rate of 6.82% compounded continuously for 3 years or (b) $110,000 if interest is paid at a rate of 4.6% compounded continuously for 40 months?

A. (a) has the lower present value. B. (b) has the lower present value. C. Both (a) and (b) have the same present value.

Mathematics

Write the standard form of the equation of the circle.Center (5, 7), r = 12

A. (x + 5)2 + (y + 7)2 = 12 B. (x - 5)2 + (y - 7)2 = 144 C. (x + 5)2 + (y + 7)2 = 144 D. (x - 5)2 + (y - 7)2 = 12

Mathematics

For the polynomial function find the following: (i) Degree of the polynomial; (ii) All x intercepts; (iii) The y intercept.y = x2 + 3x - 18

A. (i) 2 (ii) -6, 3 (iii) -18 B. (i) 2 (ii) 6, 3 (iii) -18 C. (i) 2 (ii) 6, -3 (iii) -18 D. (i) 2 (ii) -6, 1 (iii) -18

Mathematics