the domain of given exponential function is
-∞<x<∞
Given :
The graph of an exponential function .
Domain is the set of x values for which the function is defined.
To find out domain , we look at the x values on graph .
In the graph , we can see that there is no restriction for x value. It is a smooth graph with no jump or discontinuity. The graph goes for all values of x.
So the domain is set of all real numbers
Interval notation for the domain of given exponential function is
-∞<x<∞
option A is correct
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