The fair market rental rate for columbus was $730 in 2013 and $551 in 2003. find the rate of change for rent in columbus during this period.

Let rental rate be denoted by 'y' and years be denoted by 'x'

coordinates become: (2003,551) (2013,730)

Rental rate in  = $551(y1)

Rental rate in =$730(y2).

So, change in rate =

Years given are 2003(x1) and 2013(x2) so, change is

Here, to find the rate we use the slope formula:

Now putting the values of coordinates in the formula we get:

=

= 17.9

So, the rate of change for rent is $17.9

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

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distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.