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AURORKA [14]
3 years ago
5

Given that f'(x) = 6lnx and f(2) = -3.682, find f(3).​

Mathematics
1 answer:
RUDIKE [14]3 years ago
5 0

Answer:

If you mean: y =(lnx)

3  

then:  

dy  

/dx = [3(lnx)

Step-by-step explanation:

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A number increased by 4 is the same as 19 minus 2 times the number
ElenaW [278]

Hello from MrBillDoesMath!

Answer:

n = 5


Discussion:

Let the original number be "n"  Translating the problem  statement to mathematical symbolism:

n + 4 = 19 - 2n                   =>  add 2n to both sides

n + 2n + 4 = 19 - 2n + 2n  =>  combine like terms

3n + 4 = 19                        => subtract 4 from both sides

3n = 19 -4  = 15                 => divide both sides by 3

n = 15/3 =5


Check: Does 5 +4 = 19 - 2(5)? Does 9 = 9? Yes. so the value for n is confirmed correct.


Thank you,

MrB

6 0
3 years ago
– 6 x + 4 < 29 answer?
svlad2 [7]

Answer:

its 847>×+18 enjoy hope it work

4 0
3 years ago
(PLEASE HELP) The table below - does it represent an exponential function?
Aliun [14]
Short answer: I don't know, but that doesn't mean I can't give you something that you can decide for yourself.
y = 4*2^(2n - 2) is the pattern.
Go for broke. Try n = 4. You should get 256. Let's try it.
y = 4 * 2^(2*4 - 2)
y = 4 * 2^(8 - 2)
y = 4 * 2^6
y = 4 * 64
y = 256 yup it works.

The other end is just as important. Suppose n = 1
Then y = 4 * 2^(2*1 - 2) = 4 * 2^0 = 4*1 = 4 Both work.

If this formula is correct, we can abbreviate it to make your task easier.
y = 4 * 2^(2n - 2)
y = 2^2 * 2^(2n - 2)
y = 2^(2n - 2 + 2)
y = 2^(2n) Now try the two end points again.

n = 4
y = 2^(2*4)
y  =  2^8
y = 256

n = 1
y = 2^(2*1)
y = 2^2
y = 4 which again checks.

so y = 2^(2n) I think is an exponential function.
Sorry my explanation is so long.

6 0
3 years ago
Which vehicle should I buy to get the best gas mileage (the most miles for each gallon of gas)?
Ronch [10]

Answer:

vehicle c

Step-by-step explanation:

vehicle d is at 180 with 6 gallons and vehicle c is at 120 with 2 gallons. kinda common sense

5 0
3 years ago
Solve for x and y by elimination 3x+y=-1
Andreas93 [3]

Answer:

we need 2 equations to solve by elimination

5 0
3 years ago
Read 2 more answers
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