Question 322841
Area: A = LW


So {{{A(x)=(2x-1)(x+2)=2x^2+4x-x-2=2x^2+3x-2}}}



So the area function is {{{A(x)=2x^2+3x-2}}}



Now to find A(5), just plug in x=5 and evaluate:



{{{A(5)=2(5)^2+3(5)-2=2(25)+3(5)-2=50+15-2=63}}}



So {{{A(5)=63}}}