Use the method of Gauss to find the sum.1 + 2 + 3 + . . . + 1000
A. 250,000
B. 500,500
C. 1,002,001
D. 500,000
Answer: B
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Solve.An investment is worth $2571 in 1992. By 1997 it has grown to $4956. Let y be the value of the investment in the year x, where x = 0 represents 1992. Write a linear equation that relates the value of the investment, y, to the year x.
A. y = 
x + 2571
B. y = 477x + 2571
C. y = -477x + 7341
D. y = -477x + 2571
The graph of the function y = f(x) is given below. Sketch the graph of y = 
.
A. 
B. 
C. 
D. 
Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use 
for ?.
A. 220 yd B. 3850 yd C. 110 yd D. 55 yd
Solve the problem.Ms. Adams received a bonus check for $15,000. She decided to divide the money among three different investments. With some of the money, she purchased a municipal bond paying 5.5% simple interest. She invested twice the amount she paid for the municipal bond in a certificate of deposit paying 4.4% simple interest. Ms. Adams placed the balance of the money in a money market account paying 3.8% simple interest. If Ms. Adams' total interest for one year was $613.50, how much was placed in each account?
A. municipal bond: $2000 certificate of deposit: $4000 money market: $9000 B. municipal bond: $1500 certificate of deposit: $3000 money market: $10,500 C. municipal bond: $1000 certificate of deposit: $2000 money market: $12,000 D. municipal bond: $1250 certificate of deposit: $2500 money market: $11,250