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Answer:
Option C
Step-by-step explanation:
WE are given a graph of exponential function and asked to find out of four functions which function the graph represents.
We find that any function of the form
passes through (0,1) for all a
Hence we cannot distinguish any thing from the point
Let us consider when x=1
Then first function will have point as (1,2.4)
II funciton (1,0.31)
III function (1,0.45)
IV funciton (1,1.8)
From the graph given we find that the point of y is less than 1. Hence it can be either II or III
Consider x=-1
Then II function has point as (-1,3.225) and III function has point as (-1,2.222)
From the graph we find that the graph satsified only the point (-1,2.2222)
Hence OPtion III is right