exam Maths Puzzle Numerical Ability

A necklace that weighs 156.5 grams is made of gold and copper. The necklace has a volume of 12 cubic centimeters. What percent of the weight of the necklace is gold? Describe the p

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exam Other Question

Find the equations for the horizontal and vertical asymptotes of the following. Type none if the function does not have an asymptote.

a) f(x)=2x+1/x-4

Answer:
Horizontal:
Vertical:

b) g(x)=3x/x^2+4
Are negative whole numbers Rational Numbers?

and What is the easiest way to determine a Ration Number From a Irrational Number?