The number 66 is increased to 72. What is the percentage by which the number was increased, to the nearest tenth of a percent?

The increase is 9.1%

Step-by-step explanation:

Step 1:  Make an equation

Step 2:  Divide both sides by 66

Step 3:  Find the increased

9.1%

 The increase is 9.1%

the required function is .

step-by-step explanation:

from the given table it is noticed that the graph passing through (-3,7), (0,4), (3,1) and (8,-4).

it is a linear function because the value of y is decrease by one as the value of x increase by 1.

the slope of the function is

the slope of the function is -1 and the y-intercept is 4.

the slope intercept form is

where, m is slope and b is y-intercept.

therefore the required function is . the graph of this function is shown below.