1. The value of a watch is decreasing exponentially. The table shows some data points for the watch's value after a certain number of years. Years Passed a) Write the equation that models the watch's V, in dollars, as a function of time y, in years, after purchase. y 0 4 Value of the Watch V $20 $10 b) Write and evaluate the expression that represents the watch's value 7 months after purchase. Round to the nearest cent.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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ctrl
7
TCO
P
7:
ENERGY STAR
enter
shift
Name
Unit 4 ne..
1.
The value of a watch is decreasing exponentially. The table shows some data points for the watch's value after a
certain number of years.
Years Passed
Value of the Watch
V
$20
a) Write the equation that models the watch's V, in dollars, as a function
of time y, in years, after purchase.
y
0
4
$10
b) Write and evaluate the expression that represents the watch's value 7 months after purchase. Round to the
nearest cent.
Transcribed Image Text:ctrl 7 TCO P 7: ENERGY STAR enter shift Name Unit 4 ne.. 1. The value of a watch is decreasing exponentially. The table shows some data points for the watch's value after a certain number of years. Years Passed Value of the Watch V $20 a) Write the equation that models the watch's V, in dollars, as a function of time y, in years, after purchase. y 0 4 $10 b) Write and evaluate the expression that represents the watch's value 7 months after purchase. Round to the nearest cent.
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