Solution
For this case we can select two points (-1,0) and (0,3)
And we can find the slope with this formula:
[tex]m=\frac{3-0}{0+1}=3[/tex]And we can find the intercept with the following formula:
3= 3*0 + b
b= 3
And the equation would be:
y= 3x+ 3