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Aleksandr-060686 [28]
3 years ago
11

Get–Around Cab Company charges $2.50 upon entry and $2 per mile. Write the function that represents the cost C of a ride of m mi

les.
Mathematics
2 answers:
storchak [24]3 years ago
7 0

Answer:

C(m)=2m+2.50

Step-by-step explanation:

Let C represent cost of the ride and m represent number of miles.

We have been given that Get-Around Cab Company charges $2 per mile. So the cost of riding a cab for m miles would be 2m.

The company charges $2.50 upon entry, so the total cost of riding a cab for m miles would be 2m+2.50.

Since C represent cost of ride, so we will equate total cost of riding a cab for m miles by C as:

C(m)=2m+2.50

Therefore, our required function would be C(m)=2m+2.50.

Alexeev081 [22]3 years ago
5 0

c = 2.50 + 2m

Because the rate is 2 dollars per mile, we know the equation is 2m.

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What is the Domain and Range of the function f(x)<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx-7%7D%20%2B9" id="TexFormula1" tit
omeli [17]

For the given function, the domain is D : { x ≥ 7} and the range is R: { y ≥ 9}

<h3>How to get the domain and range?</h3>

Here we have a square root, remember that the argument of the square root must be equal or larger than zero, so the domain is such that:

x - 7 ≥ 0.

Solving for x we get:

x ≥ 0 + 7

Then the domain is:

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f(7) = √(7 - 7) + 9 = 9

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2 years ago
The ratio between the radius of the base and the height of the cylinder is 2:3.if its volume is 1617cm^3,the total surface area
zalisa [80]
The answer is 769.3 cm²

The volume of the cylinder is : V = π r² h
<span>The ratio between the radius of the base and the height of the cylinder is 2:3:
r/h = 2/3
h = 3/2r

V = 1617 cm
</span>π = 3.14

1617 = πr² * 3/2 r
1617 = πr³ * 3/2
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r³ = 1078/π = 1078/3.14 = 343
r = ∛343 = 7 cm

h = 3/2r = 3/2 * 7 = 10.5 cm


The surface area of the cylinder is:
SA = 2πr² + 2πrh
      = 2 * 3.14 * 7² + 2 * 3.14 * 7 * 10.5
      = 307.72 + 461.58
      = 769.3 cm²
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