Question

Which of the following is an even function?
f(x) = (x – 1)^2
f(x) = 8x
f(x) = ^– x
f(x) = 7
b?

Answer 1

is not b

Answer 2

could you write out, again, option c clearer ?

Answer 3

sorry c. f(x)=x^2-x

Answer 4

for an even function, f(x) = f(-x). which of the functions you listed satisfy this?

Answer 5

does this make sense or would you like to see it in action?

Answer 6

Sorry im clueless