Exponential and Log Practice

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

• $1,584.62
• $2,651.39
• $2,706.86
• $1,825.10

Kennedy won $3,000 from a radio contest. If she puts this money in a bank account that earns 2.9% interest compounded quarterly, how much total will she earn in 10 years?

• $4915.59
• $3933.28
• $2979.81
• $4005.09

A warren of rabbits are growing continuously at a rate of 16.8%. If there are 62 now, how many in 3 years?

• 103
• 99
• 479
• 1

What is the asymptote of this function:
 f(x) = 2^x-1 + 3

• x = 1
• x = -1
• y = 3
• y = - 3

Tags

CCSS.HSF-IF.C.7E

Which has a vertical asymptote?

• Exponential
• Logarithmic
• Both

Tags

CCSS.HSF-IF.C.7D

What is the domain?

• (-∞, ∞)
• (0, ∞)
• [1, ∞)
• (1, ∞)

Tags

CCSS.HSF-IF.C.7E

What transformations have happened to y = 2^x if the new equation is
 y = -2^(x+3) -6

• It stayed the same
• flips, up 3, left 6
• flips, right 3, down 6
• flips, left 3, down 6

Tags

CCSS.HSF.BF.B.3

What is the Range of f(x)=2^x+1-3

• All real

• (-∞,-3)

• (-3,∞)

• (-1,∞)

• (-∞,-1)

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

You drink a beverage with 120 mg of caffeine. Each hour, the caffeine in your system decreases by about 12%. How long until you have 10mg of caffeine? 

• 19 to 20 hours
• 10 to 20 hours
• 15 to 16 hours
• 5 to 6 hours

Tags

CCSS.HSF.LE.A.4

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
• $15,683.28
• $15,927.56
• $16,109.05