Graphs of Linear Inequalities · Review Exercise 138
Marjorie teaches piano. The equation models the relation between her weekly profit, P, in dollars and the number of student lessons, s, that she teaches.
ⓐ Find Marjorie’s profit for a week when she teaches no student lessons.
ⓑ Find the profit for a week when she teaches 20 student lessons.
ⓒ Interpret the slope and P–intercept of the equation.
ⓓ Graph the equation.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Elementary Algebra 2e · §4.7 Graphs of Linear Inequalities · Review Exercise 138
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