Exponential Equations HW 2
Alg2 CC
Name ____________________________
Here’s a homework that has some video links to help you! Scan the QR code or check my website for the video
link.
Exercise #3: An expontential function exists such that f(4) = 3 and f(6) = 48. Which of the following must
be the value of its base. Explain or illustrate your thinking.
1. Which of the following gives the savings S in an account if $250 was invested at an interest
rate of 3% per year?
Exponential
Functions
2. If the population of a town is decreasing by 4% per year and started with 12,500 residents,
which of the following is its projected population in 10 years? Show the exponential model you use to solve
this problem?
Exponential Model: _________________________
Common Bases
3. Solve each of the following equations by finding a common base. If you need a hint, see below.
x
1)
32 x 1  27
Hints: 1) Use “3” as a base
2)
253 x  2  125 x 1
2) use “5” as a base
3) use “2” as a base
1
 x 1

4


3)
8