The manager believes the set of integers would be the most appropriate domain for this model. Explain why he is
incorrect.
State the entire interval for which the number of pairs of
shoes sold is increasing.
Determine the average rate of change between the sixth and
fourteenth hours, and explain what it means in the context

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)