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Readme [11.4K]
3 years ago
14

4x+8

Mathematics
1 answer:
hodyreva [135]3 years ago
7 0

Answer:a

Step-by-step explanation:

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Lisa has developed a new product, and knows that the graph of function R models her revenue from selling the item, after deducti
Eva8 [605]

Answer:

Choice B is correct;  (10, 60)

Step-by-step explanation:

For Lisa to make a profit, the function R should assume a value greater than 0;

R > 0

We are to determine the interval of x values for which the above expression will be true.

From the graph, R(x) = 0 when x = 10. As x increases from 10 to 60, the value of R(x) remains positive, that is;

R(x) ≥ 0 for values of x in the interval (10, 60)

The domain that she should use in order to only model selling prices for which she will make a profit is thus;

(10, 60)

6 0
4 years ago
Read 2 more answers
Evaluate 3y^2-5y-6 when y =2​
tester [92]

Answer:

the answer would be -4

Step-by-step explanation:

just replace the variable y with two in the expression and solve

3(2)^2-5*2-6

7 0
3 years ago
If f is the function defined by f(x) = 3x^5 - 5x^4, what are all the x coordinates of points of inflection for the graph of f?
gregori [183]

Answer:

D: 0 and 1

Step-by-step explanation:

Function is defined by;

f(x) = 3x^(5) - 5x⁴

Now, an inflection point will be a point on the graph where the inflection or concavity changes.

Thus, let's find the derivatives until we get there;

f'(x) = 15x⁴ - 20x³

f''(x) = 60x³ - 60x²

So factorizing gives;

f''(x) = 60x²(x - 1)

At f''(x) = 0, we have; x = 0 or x = 1

Thus, the x coordinates of points of inflection are 0 & 1

4 0
3 years ago
How do finde the volum of a circel​
zhannawk [14.2K]

Answer:

hi there

your answer to this is:

by using the equation πr² . the R is  the Radius  of the circle. then  multpitly   by it the base of the circle.  

I hope this helps you out

Have a great Morning

FaithRawlins14

6 0
4 years ago
BRAINLIEST FOR CORRECT ANSWER, IM FAILING SCHOOL AND NEED HELP ASAP. EVEN OFFICIAL HELP COUNTS
klemol [59]

Answer:

1. Supplementary angles

2.  alternate exterior

3. verticle angles

4. alternate interior

The box matches the numbers. 1 is the answer in the first box, and so on.

Let me know if you have any questions

3 0
3 years ago
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