exam Maths Puzzle Numerical Ability

CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM:

IS THERE ORIGIN SYMMETRY FOR THE RATIONAL FUNCTION f(x) = 4x / 6x^2 + 1

(yes or no answer)

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exam Other Question

Question#2 Find the equation in slope intercept form of the line that passes thru the points (-5,2) and (-4,1). Please help I cant figure it out. If you can break it down into steps that would be awesome. Thanks NR

y+1=3x 5x+9=3y