Question

Дана функция f (x)=-1/x+5

a) f(-1)

б) f(1/4)

в) f(-0.1)

г) f(2)

Answer 1

а)f(-1)=-1/4
б)f(1/4)=-1/(1/4+5)=-4/21
в)f(-0,1)=-1/4,9=-10/49
г)f(2)=-1/7