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OpenStax, Elementary Algebra 2e §4.5 Use the Slope-Intercept Form of an Equation of a Line · Try It 20 · Algebra · Graphs

Use the Slope-Intercept Form of an Equation of a Line · Try It 20

Loreen has a calligraphy business. The equation models the relation between her weekly cost, C, in dollars and the number of wedding invitations, n, that she writes.

ⓐ Find Loreen’s cost for a week when she writes no invitations.
ⓑ Find the cost for a week when she writes 75 invitations.
ⓒ Interpret the slope and C-intercept of the equation.
ⓓ Graph the equation.

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OpenStax, Elementary Algebra 2e · §4.5 Use the Slope-Intercept Form of an Equation of a Line · Try It 20

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