I need help with this

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3