Question 67950
How would you graph this function? 
f(x) = -2x - 5
You need two points to graph a line.
If x=0 y=-5 Point(0,-5)
If x=2 y=-9 Point(2,-9)
Plot the two points and draw a line thru them.
That is the graph.
{{{graph(300,200,-10,10,-10,10,-2x-5)}}}
Cheers,
Stan H.