Rondell has to save at least $925 to go to rome with his latin class in 8 weeks. he earns $9 an hour working at pizza palace in $12 an hours working at a car wash. by law, he cannot work more than 25 hours per week. graph two inequalities that rondell can use to determine the number of hours he needs to work at each job if he wants to make the trip.

expression #3 is not equivalent. the others are.

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:

its totaly b

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