The graph of the function is symmetrical about the line

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

The graph of the function

y=f(x)

is symmetrical about the line

x=2

. Then (1)

f(x)=-f(-x)

(2)

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

(3)

f(x)=f(-x)

(4)

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