Solve for the x-max or h :\

plug it in to equation to get k:/

-8+16+3=11=k

solve for a by pluging (0,0)
then a= -11/4
Just Use Direct TV It’s What I Use Lol I know this isn’t an answer but I just wanted to comment something
Good evening ,
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To graph such function we need only 2 points that their coordinates verify the equation y=1+0.5x then we link them with a line.
Look at the photo below for the graph.
:)
Search I think google have the have answer most of time
It is really easy it is 6