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3 years ago

Can you help me with this

Mathematics

1 answer:

ser-zykov [4K]3 years ago

8 0

We have been given a graph of the function f(x). Now question says to sketch the following functons

Answer 3.a):

f(x+2)

we know that f(x+h) shifts the graph h units left.

So f(x+2) will shift the graph 2 units left.

Answer 3.b):

f(x-5)

we know that f(x-h) shifts the graph h units right.

So f(x-5) will shift the graph 5 units right.

Answer 3.c):

f(x)+2

we know that f(x)+h shifts the graph h units up.

So f(x)+2 will shift the graph 2 units up.

Answer 3.d):

f(x)-5

we know that f(x)-h shifts the graph h units down.

So f(x)-5 will shift the graph 5 units down.

Check attached picture for the graph of each part.

--------

In 2nd problem we just need to take 4 times of given x-values from original table as you can see in attached picture

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Rachel has already written 10 pages, and she expects to write 1 page for every additional hour spent writing. How many hours wil

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Answer:

27?

Step-by-step explanation:

because 1 page per 1 hour leads up to 27 hours for 27 pages. Or if your not counting the 10 pages she has already written, she spent 17 hours.

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3 years ago

Select all the true statements about the number 3,600−−−−−√.

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Answer:

3,600−−−−−√ is a rational number.I guess

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3 years ago

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In a certain year, brand A of heart-rate watch cost $39.99 and brand B cost $59.99. A nonprofit community health organizatio

Oksi-84 [34.3K]

Answer:

Brand A = 21 heart-rate watches.

Brand B = 13 heart-rate watches.

Step-by-step explanation:

Let A be the number of Brand A heart watches and B be the number of Brand B heart watches.

We have been given that a nonprofit community health organization purchased 34 heart-rate watches for use at a wellness center.

We can represent this information in an equation as:

$A+B=34...(1)$

We have been given that in a certain year, brand A of heart-rate watch cost $39.99 and brand B cost $59.99 and the organization spent $1619.66 for the watches.

We can represent this information in an equation as:

$39.99*A+59.99*B=1619.66...(2)$

We will use substitution method to solve our system of equations.

From equation (1) we will get,

$A=34-B$

Substituting $A=34-B$ in equation(2) we will get,

$39.99*(34-B)+59.99*B=1619.66$

$1359.66-39.99*B+59.99*B=1619.66$

$-39.99*B+59.99*B=1619.66-1359.66$

$20*B=260$

$B=\frac{260}{20}$

$B=13$

Therefore, the organisation purchased 13 heart-rate watches of brand B.

Now let us substitute B=13 in equation (1).

$A+13=34$

$A+13-13=34-13$

$A=21$

Therefore, the organisation purchased 21 heart-rate watches of brand A.

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3 years ago

Jason purchased a pack of game cards that was on sale for 13% off. The sales tax in his county is 8%. Let y represent the origin

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<h2>Answer: C. 0.08(0.87y)</h2>

Step-by-step explanation:

Because in the price 87% of the price per game and but it always ends with a sales tax of 8%. I.E. 0.08(0.87[3]) is the price of 3 games. Because the price of <em>1 game is 87% of the times 8% of the tax of his county</em>. This shows that even Jason has 1 game or 5 games the sales tax is the same out of the percentage of the whole price.

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