Question

Determine a raiz de cada função abaixo: f(x) = -2x + 5 f(x) = x – 4

Answer 1

$\mathsf{f(x) =-2x+5}\\\mathsf{-2x+5=0}\\\mathsf{2x=5}\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{x=\dfrac{5}{2}}}}}}$

$\mathsf{f(x)=x-4}\\\mathsf{x-4=0}\\\large\boxed {\boxed{\boxed{\boxed{\mathsf{x=4}}}}}$