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AysviL [449]
3 years ago
9

PLEASEEEE HELP ON ANY QUESTION I WILL GIVE U THE REALLY GOOD REVIEW

Mathematics
1 answer:
Aleksandr [31]3 years ago
5 0

Answer:

C. 3 to 18, 5 to 30 is equal

Step-by-step explanation:

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Suppose daily operating profit, in dollars, for a movie theater is a function of the number of tickets sold with the rule P(x)=8
AURORKA [14]
A. given a profit, there is only one number of tickets that could have been sold. 

<span>b. P^-1(900)=400 </span>

<span>c. it means that 4470 of revenue translates to 820 tickets. </span>
<span>P(820)=8.5(820)-2500=4470

D. i was not able to answer as i dont understand the question

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8 0
3 years ago
Find the domain of the rational function.<br><br> C(x) = x+9/X^2 -16
scoundrel [369]

Answer:

Domain = {x : x ≠ 4 , -4}  or  (-∞ , -4) ∪ (-4 , 4) ∪ (4 , ∞)

Step-by-step explanation:

<u>TO FIND :-</u>

  • Domain of C(x) = \frac{x + 9}{x^2 - 16}

<u>SOLUTION :-</u>

Domain of a function is a value for which the function is valid.

The function C(x) = \frac{x + 9}{x^2 - 16} is valid until the denominator is 0.

So make sure that the denominator must not be 0.

=> x^2 - 16 > 0

Find the values of x for which the denominator becomes 0. To find it , you'll have to solve the above inequality.

  • Add 16 to both the sides

=>x^2 - 16 + 16 > 0 + 16

=> x^2 > 16

=> x > \sqrt{16}

=> \boxed{x > 4} \: or \:\boxed{x > -4}

We can say that <u>4 & -4 can't be domains</u> because these values will make the function undefined.

Now try putting values of x such that -4 < x < 4. You'll observe that the function will be valid for all those values of x between -4 & 4.

<u>CONCLUSION :-</u>

The function will be valid for any value of 'x' except 4 & -4. So in :-

Interval notation , it can be written as → (-∞ , -4) ∪ (-4 , 4) ∪ (4 , ∞)

Set builder notation , it can be written as → {x : x ≠ 4 , -4}

6 0
3 years ago
Mariel went to Macy's .she bought a coat for159.90.mariel presented the casher with a coupon that was 25 percent off .Calculate
weeeeeb [17]

Answer: Discount = $39.98

Step-by-step explanation:

Given coupon discount of 25% off

Discount will be 25% of cost of the coat

Cost of the coat = $159.90

Discount = 25/100 × 159.90

= $39.975

Approximately $39.98

4 0
3 years ago
DUE TODAY PLEASE HELP!!!!! (MARCH 11TH) A sailboat travels 3 miles in 1.5 hours the table below shows the distance traveled by t
Yuki888 [10]

Answer: each 0.5 hour or 30 minutes they travel 1 mile

Step-by-step explanation:

so just keep adding 1 mile each 0.5 hour

3 0
3 years ago
Please please help it's due in half an hour and I have a lot left to do!!!
Ber [7]

Answer:

a. Donna traveled to the highest floor in the building.What integer would represent the highest floor?  33

b. Kirk went to the lowest floor in the building. What integer would represent the lowest floor?  -4

c.What floor did Donna get off the elevator?  18

d.What floor did Kirk get off the elevator? How many floors apart are Donna and Kirk? 18th floor. They are 0 floors apart

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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