Chapter 7 Exponential Review

Solve

• 5

• 13

• 84

• -20

• 3.39
• 2.60
• 2.58
• 3.02

Karla invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Karla earn in 15 years?

• $1,584.62

• $2,651.39

• $2,706.86

• $1,825.10

Match the graph with its equation

• y = log₅ (x + 1) + 1 

• y = log₅ (x - 1) + 1 

• y = log₅ (x²) + 1 

• y = log₅ (x)-1

Solve the equation.

• A

• B

• C

• D

Rewrite the following exponential form into its logarithmic form:

M^K = X

• Log_M X = K

• Log_X K = M

• Log_K X = M

• Log_K M = X

Domain?

• (-∞, ∞)

• (0, ∞)

• (-∞, 0)

• [0, ∞)

Range?

• (-8, ∞)

• [-8, ∞)

• (-∞, ∞)

• (∞, -8)

Rewrite the logarithmic function into its expoential form:

• S^T = F

• T^F = S

• F^T = S

• S^F = T

How can you tell if

y = A * B^x

^{is a growth model?}

• B > 1

• B < 1

• B = 1

• A < 1