In Colorado spring has arrived when the bluebell first flowers. The figure 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.' day of first bluebell flower (a) If the first date of bare 180 ground is 140, how many days later is the first 160

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 80E
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In Colorado spring has arrived when the bluebell first flowers. The
figure 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.'
day of first
bluebell flower
(a) If the first date of bare
ground is 140, how many
180
days later is the first
bluebell flower sighted?
160
140
(b) Find the slope of the line,
day of first
bare ground
including units.
120
140
160
Slope =
Choose one
(c) What does the sign of the slope tell you about bluebells?
The slope is Choose one ▼
so the bluebells flower Choose one
when the snowcover lasts longer.
(d) The equation of the line is: y =
"DavidW. Inouye, Billy Barr, Kenneth B. Armitage, and Brian D. Inouye, "Climate change is
affecting altitudinal migrants and hibernating species", PNAS 97, 2000, 1630–1633
Transcribed Image Text:In Colorado spring has arrived when the bluebell first flowers. The figure 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.' day of first bluebell flower (a) If the first date of bare ground is 140, how many 180 days later is the first bluebell flower sighted? 160 140 (b) Find the slope of the line, day of first bare ground including units. 120 140 160 Slope = Choose one (c) What does the sign of the slope tell you about bluebells? The slope is Choose one ▼ so the bluebells flower Choose one when the snowcover lasts longer. (d) The equation of the line is: y = "DavidW. Inouye, Billy Barr, Kenneth B. Armitage, and Brian D. Inouye, "Climate change is affecting altitudinal migrants and hibernating species", PNAS 97, 2000, 1630–1633
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