Question

Дано функцію f(x)=x+7/
x-1 знайти f(5)

Answer 1

$f(x)=\dfrac{x+7}{x-1}\\f(5)=\dfrac{5+7}{5-1}=\dfrac{12}{4}=3$

Answer 2

$f(5) = \frac{5 + 7}{5 - 1} = \frac{12}{4} = 3$