This was an exceptionally dry year for portions of the southwestern United States. Monthly precipitation in Phoenix, Arizona, was recorded in the table and is modeled by y = –0.04088x2 + 0.4485x + 1.862. In what month did Phoenix receive the highest amount of precipitation? Month (x) Precipitation January 2.27 inches February ? March ? April ? May ? June ? July ? August ? September 2.59 inches October ? November ? December ?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter3: Linear And Nonlinear Functions
Section3.4: Slope-intercept Form
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This was an exceptionally dry year for portions of the southwestern United States. Monthly precipitation in Phoenix, Arizona, was recorded in the table and is modeled by y = –0.04088x2 + 0.4485x + 1.862.

In what month did Phoenix receive the highest amount of precipitation?

Month (x)

Precipitation

January

2.27 inches

February

?

March

?

April

?

May

?

June

?

July

?

August

?

September

2.59 inches

October

?

November

?

December

?



Sketch a graph or fill in the table to answer the question.

 

 April

 May

 June 

July

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