19. which of the following is false?

the cost to mail an envelope and the weight of the envelope is a positive correlation

none, since all of the above are true

the graduation rate in a city and the rate of unemployment in a city is a positive correlation

a child’s age and a child’s shoe size

2. (09.01 lc) a function is shown in the table. x g(x) −3 17 −1 −3 0 −4 2 13 which of the following is a true statement for this function? (5 points) the function is increasing from x = −3 to x = −1. the function is increasing from x = −1 to x = 0. the function is decreasing from x = 0 to x = 2. the function is decreasing from x = −3 to x = −1.

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?

The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.