Add or subtract. Simplify your answer to lowest terms.
+ 
A. 0
B. 2y
C. 
D. 
Answer: B
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Solve.If an amount of money P is invested at r% annual interest compounded n times per year, then the total value V of the money after t years is given by V = P
nt. Find the value of an ititial investment of $15,000 after four years if (a) it is invested at 1% annual interest compounded yearly.(b) it is invested at 6% annual interest compounded quarterly.(c) it is invested at 2% annual interest compounded monthly.(d) it is invested at 4% annual interest compounded daily (use n = 360).
A. (a) $14,816.92, (b) $18,650.02, (c) $15,733.28, (d) $16,781.88 B. (a) $15,622.98, (b) $19,194.76, (c) $16,396.89, (d) $17,635.72 C. (a) $15,609.06, (b) $19,034.78, (c) $16,248.22, (d) $17,602.51 D. (a) $16,637.,92, (b) $20,588.01, (c) $16,328.46, (d) $17,629.76
Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 
.
A. 18
B. 
C. 
D. 
Write the expression in the standard form a + bi.
4
A. 4i B. -4i C. 4 D. -4
Evaluate the expression for the given value or values of the variables.9x2 + 7y; x = 6, y = 5
A. 1935 B. 359 C. 267 D. 2951