Question

em cada função calcule a raiz ou Zero da função Y=2x sobre 5 - 32

Answer 1

$y= \dfrac{2x}{5}-32\\\\ \dfrac{2x}{5}-32=0\\\\ \dfrac{2x}{5}=32\\\\ 2x=5\cdot32\\ 2x=160\\\\ x= \dfrac{160}{2}\\\\ x=80$