Bob is hiking across Death Valley. He travels South for 4 miles, then East for 8 miles, then South for 2 miles, then West 2 miles. How far is his starting point from his ending point? (Round to the
nearest tenth of a mile).

16miles

Step-by-step explanation:

4+8+2+2=16

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:

just needed some points but try socratic