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qwelly [4]
3 years ago
7

What is the first derivative of the following function: f(x) = aexp(-bx)

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

The first derivative of the given function

\frac{df(x)}{dx} = - ab e^{-b x}

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given f(x) = ae⁻ᵇˣ  ...( i )

we will use differentiation formula

\frac{d(e^{ax}) }{dx} = a e^{a x}

<em><u>Step(ii)</u></em>

Differentiating equation (i) with respective to 'x', we get

\frac{df(x)}{dx} = a e^{-b x} \frac{d}{dx} (-b x )

       = -ab e⁻ᵇˣ

\frac{df(x)}{dx} = - ab e^{-b x}

<u><em>Final answer:-</em></u>

The first derivative of the given function

\frac{df(x)}{dx} = - ab e^{-b x}

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The sum of three consecutive natural numbers is 540, find the numbers.
vladimir1956 [14]

Answer:

179, 180, 181

Step-by-step explanation:

a +a +1 +a +2 =540

3a +3 =540

3a =540 - 3

3a=537

a=537 :3

a=179 (the first number

b=179 +1 =180 (the second number

c=179 +2 =181 (the third number

5 0
3 years ago
I don't understand this, please help ​
dimulka [17.4K]

Answer:

∠2 = 150°, it is a supplementary angle to 30°

∠3 = 30°, it is an alternate angle to 30°

∠4 = 150°, it is a supplementary angle to 30°

∠5 = 30°, it is an alternate angle to 30°

∠6 = 150°, it is a supplementary angle to 30°

∠7 = 30°, it is an alternate angle to 30°

∠8 = 150°, it is a supplementary angle to 30°

6 0
3 years ago
The circumference of a circle is 13π m. What is the area, in square meters? Express your answer in terms of π π.
Deffense [45]

Answer:

13×(22/7)whole square

4 0
3 years ago
Read 2 more answers
A major cab company in Chicago has computed its mean fare from O'Hare Airport to the Drake Hotel to be $28.75 , with a standard
bulgar [2K]

Answer:

Following are the solution to the given choices:

Step-by-step explanation:

Using chebyshev's theorem :

\to P(|(x-\mu)|\leq k \sigma)\geq 1- \frac{1}{k^2}\\\\here \\ \to \mu=28.75\\\\ \to \sigma=4.44

In point a)  

\to |(x-\mu)|= |20.17-28.75|=8.58 and \sigma=4.44 \\\\so, \\k= \frac{ |(x-\mu)| }{\sigma}

  = \frac{8.58}{4.44} \\\\ =1.9 \\\\ =2

value= (1- \frac{1}{k^2}) \times 100 \% =75\%

In point b)

\to (1- \frac{1}{k^2}) \times 100 \% =84\% \\\\\to (1- \frac{1}{k^2})=0.84 \\\\\to \frac{1}{k^2} =0.16 \\\\\to \frac{1}{k}=0.4\\\\ \to k=2.5 \\\\\to |(x-\mu)| \leq k \sigma  \\\\= |(x-\mu)|\leq 2.5 \times 4.44  \\\\  = |(x-\mu)|\leq 1.11 \\\\ =  (28.75\pm 11.1) \\\\\to \text{fares lies between}(17.65,39.85)

In point c)

\to 99.7 \% \\ lie \ between=28.75 \pm z(.03)\times \sigma \\\\ =28.75\pm 2.97 \times 4.44\\\\=(28.75\pm 13.1)\\\\=(15.65,41.85)\\

In point d)

using standard normal variate

x=20.17\\\\  z=-2 \\\\x=37.13\\\\ z=2\\\\\to P(20.17

8 0
3 years ago
Pls answer correctly c:
sergey [27]

Answer:

they are already correct first true second true third false and 4th true

Step-by-step explanation:

np brainliest?

4 0
2 years ago
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