Without graphing, determine whether 16(\frac{3}{2})^x represents exponential growth or exponential decay.
An initial investment of $1000 is appreciated for 7 years in an account that earns 5% interest, compounded annually. Find the amount of money in the account at the end of the period.
Question 3
3.
The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D(x) = 4900(2)^x where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 4.
Question 4
4.
Identify y=0.32(0.99)^x as modeling either exponential growth or exponential decay. What percent of increase or decrease does the function model?
Question 5
5.
A sample of 250 grams of radioactive substance decays at a rate of 34% per year. Write the equation for radioactive decay of this substance.
Question 6
6.
Choose the correct equation for the graph shown.
Question 7
7.
The graph of y = 5e^x is translated 3 units to the right, reflected in the y-axis, and then translated 7 units downward. What is the equation of this transformed function?