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Bess [88]
1 year ago
15

Korey starts a small carwash business to save up some cash. He decides to offer two different price packages to his clients. Pac

kage A charges $15.00 for the first car wash and a dollar less for each car wash after. Package B charges $28.00 for the first car wash, but the price is cut by 25% for each of the next car washes.
Which Package is the better deal?
Mathematics
1 answer:
rosijanka [135]1 year ago
5 0

Answer:

Package A

Step-by-step explanation:

Hello there!

The reason that package A is a better deal is beacause it goes down by a fixed rate, not by a percentage. If you get 15 carwashes, you will pay nothing for the 15th, but even if you washed your car 100 times with Package B, you would still pay something!

Have a great day!

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The function A(b) relates the area of a trapezoid with a given height of 10 and
Natali5045456 [20]

The function of the trapezoid area is:

A(x)=(B+b)*h/2

Where B and b are the bases and h is the height.

With the given data: h=10 B and b =7 and x (it may vary which one is bigger)

-----------

So that function becomes:

A(x)=(7+x)*10/2

A(x)=(7+x)*5

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So if you want the inverse function, you have to operate to find x:

A(x)/5=7+x

A(x)/5-7=x

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So the new function is:

x(A)=A/5-7

6 0
2 years ago
Sal was tired of waiting for Amir to show up at their meeting place, so he started running at an average speed of 4.5 mph withou
skelet666 [1.2K]
Let s and a represent the position of Sal and Amir respectively.

s=.75+4.5t  and a=-.25+6.7t

When Sal catches Amir, s=a so we can say.

-.25+6.7t=.75+4.5t  subtract 4.5t from both sides

-.25+2.2t=.75  add .25 to both sides

2.2t=1  divide both sides by 2.2

t=5/11 hours

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3 0
2 years ago
Read 2 more answers
Question 1(Multiple Choice Worth 2 points)
earnstyle [38]
These are 3 questions and 3 answers.

1) Find


\lim_{x \to \ 2^+} f(x)

Answer: 4.

Explanation:

The expression means the limit as the function f(x) approaches 2 from the right.

Then, you have to use the function (the line) that comes from the right of 2 and gets as close as you want to x = 2.

That is the line that has the open circle around y = 4, and that is the limit searched.

2) Use the graph to determine the limit if it exists.

Answer:

\lim_{x \to \ 2^-} f(x) = 3

\lim_{x \to \ 2^+} f(x)=-3

To determine each limit you use the function from the side the value of x is being approached.

Note, that since the two limits are different it is said that the limit of the function as it approaches 2 does not exist.

3) 
Answer: - 1


\lim_{x \to \ 3^-} f(x) = -1

To find the limit when the function is approached to 3 from the left you follow the line that ends with the open circle at (3, -1).

Therefore, the limit is - 1.
5 0
2 years ago
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The table represents a linear function. A two column table with six rows. The first column, x, has the entries, negative 2, nega
Radda [10]

Answer: The slope is 3

Step-by-step explanation:

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8 0
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djyliett [7]
12f=m
It can also be m/12=f, but since it is asking for inches to feet the first one is better

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