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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter3: Linear And Nonlinear Functions

Section3.4: Slope-intercept Form

Problem 73PFA

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When an object is removed from a furnace and placed in an environment with a constant temperature of 80°F, its core temperature is 1600°F. One hour after it is removed, the core temperature is 1160°F.
(a) Write an equation for the core temperature y of the object t hours after it is removed from the furnace. (Round your coefficients to four decimal places.)
y(t) = 80 + 1520e
0.3417t
(b) Find the core temperature 7 hours after the object is removed from the furnace. (Round your answer to one decimal place.)
219.1
oF

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