Quickly.. I need your help

<p>What is the integral of y = (-5/2)x + 17.5?</p>

<p>What does the graph of that integral look like when x: 5 < x < 9?</p>

<p>Is the graph of the entire integral of that function concave up, decreasing? Ugh..</p>

<p>Thanks for any help :o</p>