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3 years ago

How much money should the company spend on marketing each month?

Mathematics

1 answer:

o-na [289]3 years ago

7 0

The function represents the profit, and the company obviously wants to maximize it.

You can see that the profit increases until the parabola reaches its maximum.

The coordinate of the maximum look like (1.5, 90)

This means that, if the company invests 1.5 thousand dollars, the profit will be 90 thousand dollars, and this is the maximum profit the company can reach.

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Alja [10]

Ugh, more algebra pretending to be geometry. Why?

This is a pretty awful instance of the genre, with no units on the constant 16, assumed to be degrees.

The total arc measure in a circle is 360 degrees. Geometry part over.

3m + 16 + 2m + 3m = 360

8m = 344

m = 344/8 = 43

Arc measures:

Arc 3m+16 = 3(43)+16 = 145°. The angle subtended by that arc is half that, 145/2=72.5°

Arc 2m=2(43)=86°. The angle subtended is half that, 43°

Arc 3m=3(43)=129°. The angle subtended is half that, 64.5°

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3 years ago

Let f(x) = √x-5<br><br> Find f^ -1.

iris [78.8K]

Answer:

$f^{-1}(x)= x^2 + 5 \,,\,\,x\geq 0$

Step-by-step explanation:

Use the method of swapping x and y and isolating y.

$f(x) = y = \sqrt{x-5}\,,\,\,\,x\geq 5,y\geq0\\\\f^{-1}:x=\sqrt{y-5}\,,\,\,\,y\geq 5, x\geq 0\\x^2 = y-5\\y = x^2 + 5 = f^{-1}(x)\\$

Note that domain/range will be swapped as well.

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3 years ago

How much money should the company spend on marketing each month?​

How much money should the company spend on marketing each month?