Concept explainers
(a)
To find: The linear equation that relates the temperature t and the number of chirps per minute n.
(a)
Answer to Problem 71E
The linear equation is
Explanation of Solution
Given:
A cricket produces 120 chirps per minute at
Calculation:
Let the chirps per minute n at x-axis and temperature t at y-axis.
The two points that lie at the equation of line are
The general equation of the line is,
Substitute t for y, n for x, 120 for
Above calculation gives the equation of line,
Thus, the linear equation that relates the temperature t and the number of chirps per minute n is
(b)
To find: The value of temperature when chirping rate is given.
(b)
Answer to Problem 71E
The value of temperature at 150 per minute chirping rate is
Explanation of Solution
Given:
The chirping rate is 150 chirps per minute.
Calculation:
From part (a) the linear equation is,
Substitute 150 for n in above equation to find the value of temperature t,
Thus the temperature at 150 chirping rate is
Chapter 1 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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