Question

Difference between y = -f(x) and y = f(-x)
Help me!

Answer 1

if u got a function like-

f(x)=x^2 + 2x

then -f(x)=-[x^2+2x]
-f(x)=-x^2 -2x

and f(-x) =(-x)^2+2(-x)
f(-x)=x^2-2x

Answer 2

f(-x) is the value of function when u put x as -x

and -f(x) is simply the negative of f(x)

Answer 3

oooh, brilliant! Thanks qwerty.

Answer 4

np