Suppose compact fluorescent light bulbs last, on average, 9,500 hours. The distribution is normal and the standard deviation is 400 hours. What percent of light bulbs burn out within 10,300 hours?

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:

positive

step-by-step explanation:

the quadrant is facing upwards

idk

step-by-step explanation: