Question

Given the function w(x)=2x²+5x, find w(2)

Answer 1

$\text{Put}\ x=2\ \text{to the equation of the function}\ w(x)=2x^2+5x:\\\\w(2)=2(2^2)+5(2)=2(4)+10=8+10=18\\\\Answer:\ \boxed{w(2)=18}$

Answer 2

W(x)=2x^2+5x
w(x)=8+10
W(2)=18