The graph of the exponential function given below is linear. Option D is corect.
A diagram depicting the relationship between two or more variables, each measured along with one of a pair of axes at right angles.
If the slope of a line is m and the y-intercept is c, then the equation of that straight line is given as y = mx + c.
If the value of intercept,c=0 the equation is found as;
y=mx
A pair of equations is shown below:
Given function;
f(x) = 4.5x
The given function shows a straight line with intercept zero and the slope is 4.5. Therefore the graph of the exponential function given below is linear.
Hence, option D is corect.
To learn more about the graph, refer to the link;
https://brainly.com/question/14375099
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