Mr. Smith works for an auto parts store. His weekly earnings are described by the equation y = 400+0.05x, where x represents the amount of sales he has during the
week. The table below shows some values that belong to this equation.
х
0
400
100
405
1000
450
3000
550
y
What are the slope and y-intercept for this equation?
A
The slope is 5 and the y-intercept is 400.
The slope is and the y-intercept is 400.-
The slope is 400 and the y-intercept is zo
C.
D
The slope is
20
and the y-intercept is 400.
7.