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Alinara [238K]
3 years ago
15

Write an algebraic expression for 9 more than 2 multiplied by f

Mathematics
2 answers:
seropon [69]3 years ago
5 0

Answer:

2f+9

Step-by-step explanation:

hope this helps

irinina [24]3 years ago
4 0

Answer:

2f+9

Step-by-step explanation:

First identify the expression for anything such as "less than" or "more than". If there is the whole expression will be flipped.

(Example)

A expression has a "less than" in it.

4f-3

This will turn to 3-4f

_____________________________

Since this has a "More than", whatever you get as your expression will be flipped.

So, the "more" is addition. "Multiplied" is multiplication. So, the expression will be

9+2f

But because of "more than, it will be

2f+9

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Find f. f ″(x) = x^−2, x > 0, f(1) = 0, f(6) = 0
marin [14]

If you do in fact mean f(1)=f(6)=0 (as opposed to one of these being the derivative of f at some point), then integrating twice gives

f''(x) = -\dfrac1{x^2}

f'(x) = \displaystyle -\int \frac{dx}{x^2} = \frac1x + C_1

f(x) = \displaystyle \int \left(\frac1x + C_1\right) \, dx = \ln|x| + C_1x + C_2

From the initial conditions, we find

f(1) = \ln|1| + C_1 + C_2 = 0 \implies C_1 + C_2 = 0

f(6) = \ln|6| + 6C_1 + C_2 = 0 \implies 6C_1 + C_2 = -\ln(6)

Eliminating C_2, we get

(C_1 + C_2) - (6C_1 + C_2) = 0 - (-\ln(6))

-5C_1 = \ln(6)

C_1 = -\dfrac{\ln(6)}5 = -\ln\left(\sqrt[5]{6}\right) \implies C_2 = \ln\left(\sqrt[5]{6}\right)

Then

\boxed{f(x) = \ln|x| - \ln\left(\sqrt[5]{6}\right)\,x + \ln\left(\sqrt[5]{6}\right)}

3 0
2 years ago
Is the Answer A,B,C, or D?
Yuliya22 [10]
The answer is C. 4/5 I already gave you a explanation on why in your last question
3 0
3 years ago
Read 2 more answers
For f(x) = 2x + 1 and g(x) = x^2- 7, find (f - g)(x). ?
Irina18 [472]

Answer:

(f-g)(x)=-x^(2)+2x+8

the solutions are:

<em><u>x=4 or x=-2</u></em>

Step-by-step explanation:

(f-g)(x)=2x+1-(x^(2)-7)

(f-g)(x)=-x^(2)+2x+1+7

(f-g)(x)=-x^(2)+2x+8

does this help or should I solve for the zeros/solutions of this quadratic equation?

then:

-x^(2)+2x+8=0

-(x^(2)-2x-8)=0

x^(2)-2x-8=0

(x-4)(x+2)=0

<em><u>x=4 or x=-2</u></em>

4 0
3 years ago
Read 2 more answers
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masha68 [24]

Answer:

30 shelves is the answer so it's B.

Step-by-step explanation:

4 0
3 years ago
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PLEASE HELP DUE SOON:
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1. PQR
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3.Idek too broad of a question
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