EXAMPLE 5 Making a Linear Model from a Slope In Figure 4 we have placed a staircase in a coordinate plane, with the origin at the bot- tom left corner. The red line in the figure is the edge of the trim board of the staircase. y (in.) A 40 (36, 32) (a) Find a linear function H that models the height of the trim board above the floor. 32 24 +(12, 16) (b) If the space available to build a staircase is 11 ft wide, how high does the stair- case reach? 16 12 24 36 48 60 x (in.) FIGURE 4 Slope of a staircase
EXAMPLE 5 Making a Linear Model from a Slope In Figure 4 we have placed a staircase in a coordinate plane, with the origin at the bot- tom left corner. The red line in the figure is the edge of the trim board of the staircase. y (in.) A 40 (36, 32) (a) Find a linear function H that models the height of the trim board above the floor. 32 24 +(12, 16) (b) If the space available to build a staircase is 11 ft wide, how high does the stair- case reach? 16 12 24 36 48 60 x (in.) FIGURE 4 Slope of a staircase
Chapter4: Linear Functions
Section: Chapter Questions
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