Math

Show all work for possible partial credit. The worth of each question is indicated. You may use your calculator throughout.

1. F(x)=2x2- 5x+1 find:

A. F(3) B. F(-1)

2. Find the x and y intercepts and slope of the line 2x 3y 6 and graph the line on the set of x, y axes provided.

3. MA 112 had 118 students enrolled in it last semester, and 152 students enrolled in it this semester. Find the percent increase in enrollment, to the nearest tenth of a percent.

4. A clothing store sells a dress for $55. If the store marks the dress down 30%, find the new selling price.

5. A man borrows $400 for 6 months at 9% simple interest. How much does he owe in 6 months? Show the formula used, and round to the nearest penny as needed.

6. Find the amount in an account if $3,000 is invested for 5 years, with 6% interest compounded quarterly. Be sure to show the formula, and round to the nearest penny.

7. You deposit $500 each month into a retirement account paying 8% compounded monthly, for 30 years. How much is in the account after 25 years? Show the formula used, and round to the nearest penny.

8. How much money will you deposit each month at 7% compounded monthly to reach $500,000 in 30 years? Be sure to show the formula used; round to the nearest penny.

9) A new car costs $20,000 and is financed using monthly payments over 4 years with interest at 2.5% compounded monthly. Find the monthly payment; be sure to show the formula used.

10. A credit card has a balance of $800 on June 1 st . A payment of $400 is made on June 4 th . A charge of $120 is made on June 13 th , and another charge of $100 is made on June 26 th . Note that June is a 30-day month.

(A) Calculate the average daily balance for this card, with July 1 st as the date interest is charged.

Date	Transaction amount	Balance	Number of days
June 1
June 4
June 13
June 26
July 1

(B) Find the interest charged for June on July 1 st , using an annual interest rate of 18%. Also, find the new balance for this card as of July 1 st with interest added on.