Logs

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Solve:
3^x-2 = 27^4x

• -2/11
• -2/3
• 2/11
• 2/3

Solve:
5^{1/2x + 4} = 125

• 1
• 2
• -2
• 14

Solve:
16^x-3 = 8^x-3

• 9
• -3
• 0
• 3

Change 6.5% to a decimal

• .65

• 6.5

• .065

• .065%

Mark took a loan out for $25,690 to purchase a truck. At an interest rate of 5.2% compounded monthly, how much total will he have paid after 5 years?

• $33,299.42       playing dodgeball
• $33,672.68   climbing trees
• $34,157.04         riding unicycles
• $34,710.88      flipping pancakes

Olivia would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years?

• $15,415.94       LeBron James
• $15,683.28            Chase Utley
• $15,927.56       Serena Williams
• $16,349.72            Tom Brady

If $1,000 is invested at 16% interest, compounded continuously, for five years, what is the ending balance?

• $1,225,54
• $2,225.54
• $22,255.40
• $225.54

If you invest $5,000 into an account paying 6% interest compounded continuously, how many years will it take until there is $8,000 in the account?

• 7.83 years

• 6.83 years

• 9.67 years

• 8.67 years

Use multiple log properties to write as a sum or difference of two logs: log(4x³) 

• log 4 + 3log x
• 3log 4 + 3log x
• 3log 4 + log x
• log 12 + log x