Mark M. answered 11/18/19
Mathematics Teacher - NCLB Highly Qualified
f(x) = x4 - 98x2 + 9
f'(x) = 4x3- 196x
f'(x) = 4x(x2 - 49)
Critical points at x = -7, 0, and 7.
-7 is outside restricted domain.
Can you determine relative maximum and relative minimum?