4 (x - 4)

Solve
Step by step by step by step

Ex: step 1)
step 2)
step 3)

4x - 16

Step-by-step explanation:

4(x -4)

4*x -4*4

4x - 16

4x-16

Step-by-step explanation:

step1) remove the blanket

4(x)- 4(4)

step2) multiply 4 times 4

=4x-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:

b

step-by-step explanation: