Writing and Comparing Linear Function Rules

Algebra · Algebra1 · Big Ideas Math · Ron Larson · - Graphing Linear Functions · Chapter 3-

Question

Two fitness centers offer membership plans. Center A charges $\$40$ per month with no enrollment fee. Center B charges $\$25$ per month with a $\$90$ enrollment fee. (a) Write linear functions $f(m)$ and $g(m)$ for Centers A and B respectively, where $m$ is the number of months. (b) Graph both functions on the same coordinate plane. (c) Find when both centers cost the same amount. (d) For someone planning to use the gym for 12 months, which center is the better deal and by how much?

Step-by-step video solution

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