Question

Let 𝑓(𝑥) = 2𝑥²−3𝑥+7 / 5x²-2x. Find 𝑓(3).

Answer 1

$f(3)=\cfrac{2\cdot3^2-3\cdot3+7}{5\cdot3^2-2\cdot3}=\\ =\cfrac{16}{39}=0.41.$