Answer:
The correct option is;
a > 1
Step-by-step explanation:
An exponential function can be expressed in the following general form;
f(x) = b·aˣ + k
Where;
b = The coefficient term
a = The base
x = The exponent
k = The vertical shift
The characteristic of an exponential function is that it increases if a > 1
From the graph, we have;
As 'x' increases to the right of the graph, f(x) = aˣ increases (upwards), therefore, a > 1
