exam Maths Puzzle Numerical Ability

absolute value of 3-5

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exam Other Question

a figure shows a graph of the polynomial function y=f(x). for which of the values k =0,1,2,or 3 will the equation f(x) = K have complex roots?

possible answers:
0
1
2
3

P Need soutions for:
f(x)=2x^5+x^4-32x-16

HELP!!!!!!!!!!!!
llo