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For the following exercise,solve the initial value problem.f’(x)=x^3-8x^2+16x+1, f(0)=0

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Answer to a math question For the following exercise,solve the initial value problem.f’(x)=x^3-8x^2+16x+1, f(0)=0

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Seamus
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99 Answers
Given initial value problem is:
f'(x) = x^3 - 8x^2 + 16x + 1, \quad f(0) = 0

To solve this initial value problem, we need to integrate the given derivative function f'(x) with respect to x to obtain the original function f(x). Let's integrate x^3 - 8x^2 + 16x + 1 with respect to x:

\int (x^3 - 8x^2 + 16x + 1) \, dx = \frac{1}{4}x^4 - \frac{8}{3}x^3 + 8x^2 + x + C

where C is the constant of integration.

Now, we need to determine the value of C using the initial condition f(0) = 0 as given in the problem.

Substitute x = 0 and f(0) = 0 into the equation above:

0 = \frac{1}{4}(0)^4 - \frac{8}{3}(0)^3 + 8(0)^2 + 0 + C

0 = 0 - 0 + 0 + 0 + C

C = 0

Therefore, the function f(x) that satisfies the initial value problem is:

f(x) = \frac{1}{4}x^4 - \frac{8}{3}x^3 + 8x^2 + x

\boxed{f(x) = \frac{1}{4}x^4 - \frac{8}{3}x^3 + 8x^2 + x}

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