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il63 [147K]
3 years ago
6

Differentiating Exponential Functions In Exercise, find the derivative of the function. y = x2ex

Mathematics
1 answer:
I am Lyosha [343]3 years ago
8 0

Answer:

y' = xe^{x}(2 + x)

Step-by-step explanation:

If we have a product function y, in the following format

y = f(x)*g(x)

This function has the following derivative

y' = f'(x)*g(x) + g'(x)*f(x)

In this problem, we have that:

y = x^{2}e^{x}

So

f(x) = x^{2}, f'(x) = 2x, g(x) = e^{x}, g'(x) = e^{x}

The derivative of the function is:

y' = f'(x)*g(x) + g'(x)*f(x)

y' = 2xe^{x} + x^{2}e^{x}

y' = e^{x}(2x + x^{2})

y' = xe^{x}(2 + x)

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Given problem;

   Inequality equation;

               \frac{x}{16}   <   6

Before we solve, let us first translate this problem.

It simply states that for what value(s) of x will the expression be less than 6.

To find this value, we can simply carry out the normal mathematical simplification.

Simply multiply both sides by 16 to reduce the fraction;

      16  x (\frac{x}{16})   <  6 x 16

         

 On the left hand side, 16 will cancel out;

                   x <  96

Any value for which x is less than 96 will make the solution of this problem less than 6.

For example, 95;

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This value is less than 6

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3 years ago
If you're on a car trip, and you've already done 13/17 of the trip, but there are still 80km to go, what's the total length in K
Radda [10]

Answer:

total length of trip = 340km

u have done 260km

Step-by-step explanation:

you've already done 13/17 of the trip so 1-13/17=4/17 of the trip left

4/17 of the trip = 80km

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7 0
3 years ago
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0.005 write as a fraction
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0.005 would be 5/1000 because how I know if it is 10ths or 100ths or 1000ths I count all the number on the right side of the decimal, hoped this could help!
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4 years ago
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Answer:

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When Z=20:

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The point of tangency is:

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We have to find the derivative of r(t) to get the tangent line:

r'(t)= -Sin(t) i + Cos(t) j + 2 k

The direction vector at t=10 is:

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So, the equation of the tangent line is given by:

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Which of the following best describes the difference between simple and compound interest?
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Answer:

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