1 Answer

Gabhor · Answer 1 · 2020-09-23T19:01:33+0000

The coordinates of point C are (0, 0), while the coordinates of point D are (7, 12).

Applying the formula for the slope, we get

m = (12-0)/(7-0)=(12)/(7)

The equation in the slope-intercept form is given by

$y-y_0=m(x-x_0) \implies y-0=(12)/(7)(x-0) \iff y=(12)/(7)x$

The domain and range are, respectively, the portion of the x and y axes covered by the part of the graph you're interested in.

So, the x axis is spanned from 0 to 7 (which is the domain), and the y axis is spanned from 0 to 12 (which is the range)

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