Joe is researching the cost of going to college. He sees the table shown. Joe wants to create a mathematical model, f(x), where x represents the number of academic years since 1979-1980, to predict future cost of tuition and fees using data in the table.

Which type of function will most closely match the data?
A) decreasing linear function
B) increasing linear function
C) exponential decay function
D) exponential growth function

Answers

Answer 1

Answer:

Answer:

D) Exponential Growth Function

Step-by-step explanation:

This is because in a linear equation, there is a constant 'slope' of how something increases like a specific amount but in this equation, the growth is by a specific percentage which allows for a difference in the amount each year. For example, a linear function would be if it increased by four dollars every year, so 2, 4, 6, 8,etc. But a exponential function would be like if it increased by for percent each year, so 2, 2.16, 2.25, 2.34, etc.

Answer 2

Answer:

Answer:

D) exponential growth function

Step-by-step explanation:

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What is greater 1/3 or 1/8

Answers

1/3 is greater. Picture a pie with nothing cut into it. Then, you cut 3 equal pieces out of it, leaving no pie remaining. So, if you take 1 piece, you have 2 pieces that you didn't take. So if you do the exact same thing, but you cut 8 pieces out of the pie and you take 1 piece, there are still 7 pieces remaining. So 1/8 is a smaller part of the pie than the 1/3, since you are cutting the pie into 8 identical pieces while with 1/3 you are cutting the same sized pie into 3 pieces. Sorry if I was confusing, just ask me if you want an easier-to-understand explanation. Also, if you pick a "brainliest" answer, it actually gives you points.

1/3 because u would do 1/3 and 1/8 next to each other 1x3 so 1/8 equals 3 then we do 1x8 and that equals 8 so 1/3 equals 8 then u conpare them 8>3 so 1/3>1/8

At the start of the week, you could run for 8 minutes. By the end of the week, you could run for 15 minutes. Which proportion could you use to find the percent increase in your running time?7/15=n/100

8/7=n/100

7/8=n/100

8/15=n/100

Answers

The formula for finding percent increase is:
(Final - Initial)/Final * 100 = n
Divide both sides by 100 and you get:
(final-initial)/Final = n/100
Plug in all the numbers, and you get:
(15-8)/15 = n/100, or
7/15 = n/100

Hope this helped!! :D

The answer to this is 7/8=n/100

Help??A tree struck by lightning broke at a point 12 feet above the ground.
What was the height of the tree to the nearest tenth of a foot?
Explain your reasoning.

Answers

Answer:

height of the tree was 52.8 feet

Step-by-step explanation:

Height of the tree will be determined by adding broken part of the tree, lying on the ground (as the hypotenuse of the triangle) and the remaining part of the stem.

Now we apply Pythagoras theorem in the right angle triangle with the sides as 12 feet and 39 feet

⇒ Hypotenuse² = Base² + Height²

⇒ Hypotenuse² = 12² + 39²

⇒ Hypotenuse² = 144 + 1521 = 1665

⇒ Hypotenuse = √1665

= 40.80 feet

Now height of the tree = 12 + 40.8

= 52.8 feet

Therefore, height of the tree was 52.8 feet

The tree is 52.8 feet, since the hypotenuse is only part of the tree, you have to add 12, since then it would equal the total height of the tree.

a^2+b^2=c^2
12^2+ 39^2=c^2
144+1521= 1665
√1665
= 40.8

40.8 + 12
= 52.8 feet

PLEASE CHECK MY ANSWERS (PART 1)

Answers

You're smart! You don't need us checking your work. They are correct anyway

All of you answers are correct. Great job! But it is always good to check answers!

bruno bought 3 cases of water for a party. guests used 9 bottles of water from each case. write and solve an equation to find how many bottles of water were initially in each case if there were 21 bottles left over

Answers

you would take 9x3 and get 27 and then add that to 21 which is 48 and then divide 48 by 3 and get 16 so 16in each case

Your answer is 16in per case Hope this help.

What is 18/25 in a percentage?

Answers

72%
what you had to do is multiply your fraction by 4.... so 18/25 times 4 = 72/100
when a number is over a hundred you can change it to a percentage. since 72 is over a hundred it became a percentage... i hope that makes sense lol