Question
Asked Jan 24, 2019
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. In Colorado spring has arrived when the bluebell first flowers. Figure 1.29 shows the date (days after Jan 1) that the first flower is sighted in one location as a function of the first date (days after Jan 1) of bare (snowfree) ground.

a. If the first date of bare ground is 140, how many days later is the first bluebell flower sighted?

b. Find the slope of the line, including units.

c. What does the sign of the slope tell you about bluebells?

d. Find the equation of the line.

day of first
180
170
160
150
140
130
bluebell flower
day of first
bare ground
110 120 130 140 150 160 170
Figure 1.29
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day of first 180 170 160 150 140 130 bluebell flower day of first bare ground 110 120 130 140 150 160 170 Figure 1.29

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