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A formula used to compute the current value of an investment account is A = P(1 + r)n, where A is the current value, P is the amount deposited, r is the rate of interest for 1 compounding period, expressed as a decimal, and n is the number of compounding periods. Which of the following is closest to the value of an investment account after 3 years if $8,000 is deposited at 5% annual interest compounded annually?

(A)$8,400 (B) $9,261 (C) $15,730 (D) $25,200 (E) $33,463

Correct Answer: B

The graph of y2 = x is shown in the standard (x,y) coordinate plane below for values of x such that 0 ≤ x ≤ 4. The x-coordinates of points D and E are both 4. What is the area of ΔDEO, in square coordinate units?

(A) (B) 4 (C) 8 (D) 12 (E) 16

Correct Answer: C

What is the value of x when 2x + 3 = 3x – 4 ?






Correct Answer: E

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