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Bellringer 7.3

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Last updated 17 days ago
7 questions
1
1
Question 2
2.

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.

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Question 1
1.

Without graphing, determine whether 16(\frac{3}{2})^x represents exponential growth or exponential decay.

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?