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Dafna11 [192]
3 years ago
14

Write a function for the situation. Is the graph continuous or discrete?

Mathematics
2 answers:
IgorC [24]3 years ago
8 0
C=11n

The cost needs to be equal to the amount of DVDs * 11 since they are $11 each.  So if you had bought two:

C=2(11) = 22
jonny [76]3 years ago
7 0
Alrighty, so, 11n=C because n=DVDs time 11 per DVD equals the total cost!

Hope this helps! (:
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What is the length of SR?<br><br><br> 18 units<br><br> 9 units<br><br> 12 units<br><br> 15 units
Serjik [45]

Answer:


Step-by-step explanation:

RT = sqrt(20^2 - 16^2)

RT = sqrt(400 - 256)

RT = sqrt(144)

RT = 12


SR/ST=  QR/QT

SR/12 = 20/16

SR = 12 x 20 / 16

SR = 240/16

SR = 15


answer is C.

15 Units


7 0
4 years ago
Arrange the given polynomial in descending order.<br> 9x? + 9x +3+2x
WARRIOR [948]
20x+3
This shouldddd be the answer sorry if I’m wrong, but if you group all the x variables together they add up to twenty, then you just add “+3” being that it has no x and therefore must be put in some form of separate group!
7 0
3 years ago
What Is the slope of the line on the graph?
icang [17]

( - 4 - 0)  \div (0 \div 2)
=2
8 0
4 years ago
Read 2 more answers
An elevator goes up to the 16th floor. It then comes down 11 floors before going back up 15 floors. What floor is the elevator o
nevsk [136]

Answer:

20 floor

Step-by-step explanation:

16 - 11 = 5       5 + 15 = 20

The elevator is on the 20th floor

4 0
4 years ago
H(x) = 2^x<br>Solve the equation h^-1 (x) =0.5​
Ludmilka [50]

Answer:

The answer is

<h2>\sqrt{2}  \:  \: or \:  \: 1.414</h2>

Step-by-step explanation:

<h3>h(x) =  {2}^{x}</h3>

To solve the equation we must first find h-¹(x)

To find h-¹(x) equate h(x) to y

That's

<h3>y =  {2}^{x}</h3>

<u>Next interchange the terms </u>

x becomes y and y becomes x

That's

<h3>{2}^{y}  = x</h3>

<u>Make y the subject</u>

Take logarithm to base 2 to both sides

That's

<h3>log_{2}( {2} )^{y}  =  log_{2}x \\ y  log_{2}2 =  log_{2}(x)</h3>

But

<h3>log_{2}(2)  = 1</h3><h3>y =  log_{2}(x)</h3>

So we have

<h3>{h}^{ - 1} (x) =  log_{2}(x)</h3>

Now we can solve the equation

We have

<h3>log_{2}(x)  = 0.5</h3>

Convert the logarithm into exponential form using the fact that

<h3>log_{a}(x)  = b \:  \:  \cong \:  \: x =  {a}^{b}</h3>

So we have

<h3>x =  {2}^{0.5}</h3>

But

<h3>{2}^{0.5}  =  \sqrt{2}</h3>

So we have the final answer as

<h3>\sqrt{2}  \:  \: or \:  \: 1.414</h3>

Hope this helps you

8 0
3 years ago
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