Determine which set of ordered pairs is a function.

a.{(-1,,,5)}
b. {(5,,,4)}
c. {(0.5, 1., 1..5, 2.3), (0.5, 3.6)}
d. {(1,2), (-5,,,2)}

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x