Question

b) Dada a função f(x) = 4x -3 determine x tal que f(x) = -2
4.(-2)-3=-8-3=-11

Answer 1

$\mathsf{f(x)=4x-3}\\\mathsf{4x-3=-2}\\\mathsf{4x=3-2}\\\mathsf{4x=1}$

$\huge\boxed{\boxed{\boxed{\boxed{\mathsf{x=\dfrac{1}{4}}}}}}$