Question

let f: RR be defined then find
find +(-1) + f (2) + f4)
f(x)={2x if x>3
{x^2 if 1<x<=3
{x<=1​

Answer 1

Answer:

$f( - 1) = - 1$

$f(2) = {2}^{2} = 4$

$f(4) = 2 \times 4 = 8$

so,

$f( - 1) + f(2) + f(4) = - 1 + 4 + 8 = 11$

Ans.