Average sunlight hours per day at the Arctic Circle 24 22 20 18 16 14 12 10 Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sept. Oct. Nov. Dec. Hours of sunlight

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 54E
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The graph below shows the average amount of sunlight per day at the Arctic Circle in the Northern Hemisphere. 

 

a. What is the average number of hours of sunlight in October? - 9 hours 

b. What months average less than 6 hours of sunlight per day? - November, January, and December. 

c. Are hours of sunlight a function of month? Explain why or why not. - No, because the line on the graph touches multiple points. 

d. Is month a function of hours of daylight? Explain why or why not. - No, because there are more than one output values. 

Average sunlight hours per day at the Arctic Circle
24
22
20-
18
16
14
12
10
Jan. Feb.
Mar. Apr. May. Jun. Jul.
Aug. Sept. Oct. Nov. Dec.
Hours of sunlight
Transcribed Image Text:Average sunlight hours per day at the Arctic Circle 24 22 20- 18 16 14 12 10 Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sept. Oct. Nov. Dec. Hours of sunlight
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