Which of the following tables represents a function? A. x 6 6 7 7
y 2 −2 3 −3

B. x 2 −2 3 −3
y 5 5 7 7
C. x 3 −3 3 −3
y 6 7 8 9

D. x 4 4 5 5
y 1 2 3 4

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?