Answer:
b. quadratic
Step-by-step explanation:
Quadratic models are used to model certain real-world situations such as: 1) Values decrease then increase 2) Values increase and then decrease 3) Values depending on surface area.
Percent of earnings spent on electricity each month is 3.1 %
<em><u>Solution:</u></em>
Given that Ramon earns $1,715 each month and pays $53.40 on electricity
To find: Percent of earnings spent on electricity each month
From given information,
Ramon's monthly salary = $ 1715
Electricity Rent = $ 53.40
<em><u>Finding percentage of earnings spent on electricity:</u></em>
Percent of earnings spent on electricity = 
Substituting the values we get,

Thus Percent of earnings spent on electricity each month is 3.1 %
First we write a function that suits the problem.
We have then:
y = 285 * (1.75) ^ x
Then, we see how many years there are in the requested period
x = 1994-1985 = 9
We evaluate the function for x = 9
y = 285 * (1.75) ^ 9
y = 43871.98637
Round nearest whole number
y = 43872
Answer:
there were 43872 cell phones subscribers in centerville in 1994
Answer:
it as a liner function that is why we should choose to point in order to find the liner equation
y=2/3x+1