B = 100(1 + 0.04)^12 = 100(1.04)^12 = 100(1.601) = $160.10
4500 is the answer to this question.
The slope-intercept form of a line is the following:

In this form,
is the shape and
is the y-intercept. Your line written in this form is

which implies that the slope is 5 and the y-intercept is -2.