[tex]f: \mathbb_{R} $ \rightarrow \mathbb_{R} $ $ , \quad f(x) = 2x+3 \\ \\ G_f \cap Oy = A(x,0) \\ f (x) = 0 \Rightarrow 2x+3 = 0 \Rightarrow 2x = -3 \Rightarrow x = -\dfrac{3}{2} \\ \\ \Rigghtarrow \\ \Rightarrow \boxed{G_f \cap Oy = A\Big( -\dfrac{3}{2} ,0\Big)}[/tex]
