What does a function look like in math?

Why will a square tessellate? What is 8 over 22 in its simplest form? What is pime factorization? Why do all US non-military aircraft have the letter N before their registration numbers? What is the reciprocal of the expression y-3 and for what value of y is the multiplicative inverse you found in the first question undefined? What is polynomial nomenclature? Is 194 odd or even? What is the greatest common factor and least common multiple of 48 and 30? What is the tolerance on fabric skew? What is the image of 1 -6 for a 270 counterclockwise rotation about the origin? For what years is a double die US nickel found? What is greater 4.125 or 4.625? Can two vectors of same magnitude add to give zero resultant vector? 5 feet 6 inches equals how many cms? What causes earthquakes and where do they happen? How do you do 0.95 as a percent? Why is the arrowhead important? What is a four sided figure with only two parallel sides? WHICH number one produces a rational number when multipled by 0.5? How many months have two syllable?