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4 years ago

If the parent function is y = 1/x, describe the change in the equation y = - 1/x-1 - 10

Mathematics

1 answer:

goldenfox [79]4 years ago

6 0

Answer:

Step-by-step explanation:

Firstly, we have 1/x as the parent function. 1/x-1 describes the graph of 1/x to shift 1 unit right. -1/x-1, states that it is reflected across the x-axis. And -1/x-1 -10 states that it is shifted 10 units down.

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Find the vertex of this equation! NEED THIS ASAP!

enyata [817]

Answer:

(1,-4)

Step-by-step explanation:

x = -b/2a

a = 2

b = -4

x = 4/4

x = 1

Then substitute x = 1 into the equation to find y

y = 2(1)^2 - 4(1) - 2

y = -4

So, (1,-4)

4 0

3 years ago

A 0.25 mL sample of water drawn from a 5 liter flask contains 1.25 x 10^8 bacteria. Give the approximate number of bacteria in t

vazorg [7]

Answer:

The number of bacteria in 0.25 mL is 6.25 x 10^3.

Step-by-step explanation:

5 liter flask contains 1.25 x 10^8 bacteria.

So, 1liter flask contains = $\frac{1.25 \times 10^8}{5} =2.5\times 10^7$

Now

0.25 mL contains = $2.5\times 10^7 \times0.25\times 10^{-3} = 6.25\times 10^3$

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3 years ago

What is the median number of cars sold this month?<br> A) 22<br> B)20<br> C) 20.4<br> D)21

tresset_1 [31]

Answer:

The Median is 20

Arrange the numbers in order

15 20 20 22 25

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3 years ago

Read 2 more answers

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tresset_1 [31]

Answer:

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Step-by-step explanation:

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3 years ago

A total of 360 tickets were sold for a school play. They were either adult tickets or student tickets. The number of student tic

Tema [17]

Answer:

<h2> 120 ----------adult tickets sold.</h2><h2>240 (children tickets sold)</h2>

Step-by-step explanation:

<u>a total of 360 tickets were sold for the school play. they were either adults tickets or student tickets. the number of student tickets sold was two times the number of adult tickets sold. how many adult tickets were sold?</u>

<u>Answer by chibabykalu1 (Show Source): You can put this solution on YOUR website!</u>

<u>x, </u><u>=</u><u>student tickets</u>

<u>y, </u><u>=</u><u>adult tickets</u>

-----

<u>exact translation of the description into a system of equations. Solve for the value of y.</u>

<u>The process can be, solve for x in terms of y, already seen as THE second equation of the system; substitute into the other equation, and solve the result for y, and compute.</u>

<h3>=> {2y} + y = 360</h3><h3>=> 2y + y = 360</h3><h3>=> 3y = 360</h3><h3>=> (3y)/3 = +360)/4</h3><h3>=> y = 120 ----------adult tickets sold.</h3><h3 />

<u>Substitute y = 120 into equation 2 </u>

<h3>=> x = 2y</h3><h3>=> x = 2(120)</h3><h3>=> x = 240 (children tickets sold)</h3>

7 0

3 years ago