Question 255304
Given f(x)=5-2x^2+x find f(-3)

f(-3)=5 - 2*(-3)^2 + (-3)
f(-3)=5 - 2*9 - 3
f(-3)=5-18-3=-13-3=-16

{{{ graph( 300, 200, -5, 5, -20, 10, 5-2*x^2+x ) }}}