SOLUTION: Find the exponential function f(x)= Ca ^x which contains the points (2,45) and (5,1215) please show work i would like to learn this process thanks

SOLUTION: Find the exponential function f(x)= Ca ^x which contains the points (2,45) and (5,1215) please show work i would like to learn this process thanks

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Question 213273: Find the exponential function f(x)= Ca ^x which contains the points (2,45) and (5,1215)
please show work i would like to learn this process thanks
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Given:

(2,45)
(5,1215)
I'll make 2 equations by substituting these values
(1)
(2)
Multiply both sides of (1) by
(1)
And substituting again,
(2)

(1)

The equation is
answer
check:

OK

OK
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