Question 1056456
The y-intercept is 7, so one point is (0,7)
The slope is minus 3, so it is steep from left to right downward.
Any x will work, so the domain is all real numbers.
Any y can be the result of varying the x, so the range is also all real numbers.
{{{graph(300,300,-10,10,-10,10,-3x+7)}}}