Which set of ordered pairs represents a function ? { (-8,-4),(-8,-1),(4,5),(8,7)}
{ (0,-8),(-8,-8),(9,0),(-6,-6) }
{ (8,4),(8,-2),(-7,6),(5,2)}
{ (-1,2),(-5,-3),(-89),(-5,-8)}

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Select the quadratic that has root x = 8 and x = -5

Write the pair of fractions as a pair of fractions with a common denominator