exam Maths Puzzle Numerical Ability

9X^2+9=0
A.-1,1
B.-1i,1i
c. 3i,3i
d. -9i,9i

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exam Other Question

I need to find the correct end behavior for the given polynomial function
p(x)=-7x3+2x2+7x-4 (3)/2y-(3)/2y+4