I need help with this.
I need help with this.
naw, yo don't need to graph
but anyway, what you do is input values for x and get values for y
0.5-2x^2
goes from -10 to 10
the only visible ones are from x=-2 to x=2
f(-2)=-7.5
f(-1)=-1.5
f(0)=0.5
f(1)=-1.5
f(2)=-7.5
graph below
and f(0)=0.5