Which statement best describes how to determine whether f(x) = x2 x 8 is an even function?
a) determine whether x2 (x) 8 is equivalent to x2 x 8.
b) determine whether (x)2 (x) 8 is equivalent to x2 x 8.
c) determine whether x2 (x) 8 is equivalent to (x2 x 8).
d) determine whether (x)2 (x) 8 is equivalent to (x2 x 8).
