exam Maths Puzzle Numerical Ability

Find any rational roots for the equation

x to the fourth + 3x to the third- x squared-9x-6=0

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exam Other Question

What values for x must be excluded in the following fraction?


5/x+1
Determine if the functions are even, odd, or neither
f(x)= -x+2/x and g(x)+x^3-3x^2+1