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{:[f^(')(x)=-5e^(x)" and "],[f(3)=22-5e^(3).],[f(0)=◻]:}

f(x)=5ex and f(3)=225e3.f(0)= \begin{array}{l}f^{\prime}(x)=-5 e^{x} \text { and } f(3)=22-5 e^{3} . \\ f(0)=\square\end{array}

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Q. f(x)=5ex and f(3)=225e3.f(0)= \begin{array}{l}f^{\prime}(x)=-5 e^{x} \text { and } f(3)=22-5 e^{3} . \\ f(0)=\square\end{array}
  1. Integrate f(x)f'(x): To find f(0)f(0), we need to integrate the derivative f(x)f'(x) to get the original function f(x)f(x). The given derivative is f(x)=5exf'(x) = -5e^x.\newlineIntegration of f(x)f'(x) will give us f(x)f(x) plus a constant CC, which we can determine using the given f(3)=225e3f(3) = 22 - 5e^3.\newlineLet's integrate f(x)=5exf'(x) = -5e^x.\newlinef(0)f(0)00
  2. Find Constant C: Now we need to find the value of the constant CC using the given f(3)=225e3f(3) = 22 - 5e^3. We substitute xx with 33 in the integrated function f(x)=5ex+Cf(x) = -5e^x + C. 5e3+C=225e3-5e^3 + C = 22 - 5e^3 Now, we solve for CC. C=225e3+5e3C = 22 - 5e^3 + 5e^3 C=22C = 22
  3. Calculate f(0)f(0): With the value of CC found, we can now write the complete function f(x)f(x):f(x)=5ex+22f(x) = -5e^x + 22To find f(0)f(0), we substitute xx with 00 in the function f(x)f(x).f(0)=5e0+22f(0) = -5e^0 + 22
  4. Calculate f(0)f(0): With the value of CC found, we can now write the complete function f(x)f(x):f(x)=5ex+22f(x) = -5e^x + 22To find f(0)f(0), we substitute xx with 00 in the function f(x)f(x).f(0)=5e0+22f(0) = -5e^0 + 22We know that e0e^0 is 11, so we can simplify f(0)f(0) as follows:f(0)=5(1)+22f(0) = -5(1) + 22f(0)=5+22f(0) = -5 + 22f(0)=17f(0) = 17

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