Please help me! This is urgent

The first one would be reasonable, because the minutes late is 50, which is a little under 1 hour.

Explanation:

The 2nd one uses a negative value for m, you can't use a negative value when adding time.

The 3rd and fourth have fairly large numbers which are not typical for parents picking up their kids.

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0