Johanna has a cell phone plan that has a monthly charge plus a per text fee. In October, she sent 45 texts and her bill was $37.25. In November, she sent 118 texts and her bill was $40.90.
(a)
Part A
Determine the y-intercept and write it in coordinate form.
(b)
Part B
If y represents the total charge and x represents the number of texts, write the equation that represents the situation.
y =

answer: huh

step-by-step explanation:

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.

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40