Review Assessment U5

A savings account earns 8% interest each year, If a person invests $100 and makes no further deposits or withdrawals, what is the balance in the account after 3 years?

• 100(1+0.08)²

• 100(1+0.08)³

• 100(1+0.08)⁵

• 100(1-0.08)³

A savings account earns 6% interest each year, compounded annually (1 times a year). If a person invests $200 and makes no further deposits or withdrawals, what is the balance in the account after 3 years?

• 200(1+0.06/1)^1x3

• 200(1+0.06/2)^2x3

• 200(1+0.06/3)^3x3

• 200(1+0.06/4)^4x3

A savings account earns 7% interest each year, compounded semiannually(2 times a year). If a person invests $200 and makes no further deposits or withdrawals, what is the balance in the account after 3 years?

• 200(1+0.07/2)^2x3

• 200(1+0.07/3)^3x3

• 200(1+0.07/4)^4x3

• 200(1+0.07/5)^5x3

A savings account earns 9% interest each year, compounded monthly. If a person invests $200 and makes no further deposits or withdrawals, what is the balance in the account after 5 years?

• 200(1+0.09/2)^2x5

• 200(1+0.09/12)^12x5

• 200(1+0.09/4)^4x5

• 200(1+0.09/5)^5x5

A savings account earns 4% interest each year, compounded annually. If a person invests $80 and makes no further deposits or withdrawals, what is the balance in the account after 7 years?

• 80(1+0.04/2)^2x5

• 80(1+0.04/4)^4x7

• 80(1+0.04/12)^12x7

• 80(1+0.04/6)^6x5

A savings account earns 4% interest each year, compounded quarterly (4 times a year). If a person invests $70 and makes no further deposits or withdrawals, what is the balance in the account after 11 years?

• 70(1+0.04/2)^2x11

• 70(1+0.04/6)^6x11

• 70(1+0.04/5)^5x11

• 70(1+0.04/4)^4x11

A savings account earns 20% interest each year, compounded 5 times a year. If a person invests $400 and makes no further deposits or withdrawals, what is the balance in the account after 9years?

• 400(1+0.2/4)^4x9

• 400(1+0.2/5)^5x9

• 400(1+0.04/6)^6x9

• 400(1+0.2/7)^7x9

f(x) = 2^x

The coordinates of A are (1,c) and the coordinates of B are (3,d) . What is the value of c and d ?

• c=2, d=5

• c=2, d=8

• c=3, d=8

• c=2, d=7

f(x) = 3^x

The coordinates of A are (1,c) and the coordinates of B are (3,d) . What is the value of c and d ?

• c=2, d=25

• c=2, d=27

• c=3, d=27

• c=2, d=24

f(x) = 3(2)^x

The coordinates of A are (1,c) and the coordinates of B are (2,d) . What is the value of c and d ?

• c=12, d=72

• c=6, d=12

• c=3, d=18

• c=2, d=27