Answer :
[tex]The\ slope-intercept\ form:y=mx+b\\\\m\ is\ slope\\b\ is\ y-intercept\\\\m=1;\ b=3\ then\ y=1x+3\Rightarrow y=x+3[/tex]
[tex]y-intercept : \ b= 3 \\ slope : \ m=1 \\ \\ the \ slope \ intercept \ form \ is : \\ \\ y= mx +b \\ \\ y=1\cdot x + 3 \\ \\y=x+3[/tex]
