The winner of an election received 1 more than 3 times as many votes as his opponent received. Let w represent the number of vot
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Given:
The graph of an exponential function.
To find:
The function in the form of .
Solution:
The general form of an exponential function is
...(i)
From the given graph it is clear that the function passes through the points (0,4) and (1,7). It means these points will satisfy the function.
For x=0 and f(x)=4,
For x=1 and f(x)=7,
Putting a=4, we get
Substitute a=4 and in (i).
Therefore, the required exponential function is .