Concept explainers
a.
To write: The two equations in slope intercept form and graph.
a.
Answer to Problem 12PT
For Fit-N-Trim the equation of line.
For Fir-For-Life the equation.
Explanation of Solution
Given: Fit-N-Trim charges $80 per month. Fit-For-Life charges a one time membership fee of $75 and $55 per month.
Let x represents number of months and y represents cost of attend.
For Fit-N-Trim the equation of line.
For Fir-For-Life the equation.
Now graph both equation on same window.
b.
To check: The two equations in in above part parallel or not.
b.
Answer to Problem 12PT
No
Explanation of Solution
Given: For Fit-N-Trim the equation of line.
For Fir-For-Life the equation.
Let x represents number of months and y represents cost of attend.
For Fit-N-Trim the equation of line.
For Fir-For-Life the equation.
Now graph both equation on same window.
According to graph lines are not parallel because they are intersect at a point.
c.
To find: The fitness center better.
c.
Answer to Problem 12PT
Fit-For-Life
Explanation of Solution
Given: For Fit-N-Trim the equation of line.
For Fit-For-Life the equation.
Let x represents number of months and y represents cost of attend.
For Fit-N-Trim the equation of line.
For Fir-For-Life the equation.
Now graph both equation on same window.
Fit-For-Life is better choice because the monthly rate is less.
Chapter 3 Solutions
Geometry, Student Edition
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