Don leaves home at 2 pm.
he drives 45 miles from home in
the first hour.
he stops for 90 minutes.
he then drives home at an average
speed of 15 mph.
distance
from
draw a distance-time graph
home
to show don's journey.
in miles
2pm
3pm
4pm
6pm
7pm
8pm
5pm
time

is there answer choices?

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

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step-by-step explanation:

just for that im not answering

ratio is 2 : 9

the answer is three

13.5 : 3