SOLUTION: Find the exponential equation whose graph passes through the points (-1, 1/2 ) and (2,32)

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Question 1158809: Find the exponential equation whose graph passes through the points (-1, 1/2 ) and (2,32)
Found 2 solutions by MathLover1, greenestamps:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!


......use the point (, )


..........eq.1

.....using the point (,)





.........eq.2

substitute in eq.1

..........eq.1



your equation is:





Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!


The general form is

Form equations using both given points:



Divide the second equation by the first to eliminate a:



Use this b value in either original equation to determine a:




a=2; b=4. The equation is




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