## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Practice and Problem-Solving Exercises: 60

The equation would be B(t)=500×$2^{t}$ a) The budget in 1 yr will be 1000 The budget in 2 yrs will be 2000 The budget in y years will be 500×$2^{y}$ b) The budget 2 years ago was $125 #### Work Step by Step The equation would be B(t)=500×$2^{t}$a) The budget in 1 yr B(1)=500×$2^{1}$= 500×2 = 1000 The budget in 2 yrs B(1)=500×$2^{2}$= 500×4 = 2000 The budget in y years will be 500×$2^{t}$b) The budget 2 years ago (t=-2) B(-2)=500×$(2)^{-2}$=$\frac{500}{2^{2}}$=$\frac{500}{4} = \$125

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.