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Precalculus
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10 Nov 2019

The graph is obtained from y =2^x by vertical and/or horizontal shifts, and by reflectionsthrough the x- axis and/or y-axis



a. Find the equation of the function whose graph is
shown.

b. Find the x- and the y-intercept of this function. Does
your answer seem consistent with the graph?

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Jarrod Robel
Jarrod RobelLv2
11 Feb 2019
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The points are (e,3) and(e2,5)

The graph to the right is obtained from y=ln x by a verticalstretch/shrink and a vertical shift. Find the equation of the curveand find its x-intercept. Hint: Let b represent the stretch/shrinkand let a represent the vertical shift in the equation of thecurve. Then solve for a and b. Show all work.

How do you graph  ?

 

  

 ,

Where,

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To determine the x-intercept, substitute 0 for y and solve for x.

  

Divide both sides by -2.

  

  

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Plot the x and y-intercept and draw a straight line through them.

graph =  

Fill in the blank with the appropriate axis (x-axis or y-axis).
The graph of is obtained from the graph of by reflecting in the _________ .

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