A 11-inch candle is lit and burns at a constant rate of 0.8 inches per hour. Let t represent the number of hours since the candle was lit, and suppose f is a function such that f(t) represents the remaining length of the candle (in inches) t hours after it was lit. a. Write a function formula for f. f(t) Preview b. What is the domain of f relative to this context? Enter your answer as an interval. Preview c. What is the range of f relative to this context? Enter your answer as an interval.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
Problem 64PFA
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A 11-inch candle is lit and burns at a constant rate of 0.8 inches per hour. Let t represent the number of hours since
the candle was lit, and suppose f is a function such that f(t) represents the remaining length of the candle (in
inches) t hours after it was lit.
a. Write a function formula for f.
f(t)
Preview
b. What is the domain of f relative to this context? Enter your answer as an interval.
Preview
c. What is the range of f relative to this context? Enter your answer as an interval.
Preview
d. Solve f(t) = 3.8 for t.
t =
Preview
e. What does your solution in part (d) represent in this context? Select all that apply.
OHow long it takes for the candle to burn out.
OThe length of the candle (in inches) 3.8 hours after it was lit.
OHow many hours since the candle was lit when it is 3.8 inches long.
Submit
Transcribed Image Text:A 11-inch candle is lit and burns at a constant rate of 0.8 inches per hour. Let t represent the number of hours since the candle was lit, and suppose f is a function such that f(t) represents the remaining length of the candle (in inches) t hours after it was lit. a. Write a function formula for f. f(t) Preview b. What is the domain of f relative to this context? Enter your answer as an interval. Preview c. What is the range of f relative to this context? Enter your answer as an interval. Preview d. Solve f(t) = 3.8 for t. t = Preview e. What does your solution in part (d) represent in this context? Select all that apply. OHow long it takes for the candle to burn out. OThe length of the candle (in inches) 3.8 hours after it was lit. OHow many hours since the candle was lit when it is 3.8 inches long. Submit
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