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If \({\rm{f(1) = 12}}\), \({\rm{f'}}\)is continuous, and\(\int\limits_{\rm{1}}^{\rm{4}} {{\rm{f'(x)dx = 17}}} \), what is the value of\({\rm{f(4)}}\)?

Short Answer

Expert verified

\({\rm{f(4) = 29}}\)

Step by step solution

01

Value of\({\rm{f(4)}}\).

Given that \({\rm{f(1) = 12}}\) and \(\int\limits_{\rm{1}}^{\rm{4}} {{\rm{f'(x)dx = 17}}} \)

02

Calculating the value

So

\(\begin{aligned}{c}\int\limits_{\rm{1}}^{\rm{4}} {{\rm{f'(x)dx &= f(4) - f(1)}}\left( {{\rm{Q}}\int\limits_{\rm{a}}^{\rm{b}} {{\rm{f'(x)dx &= f(b) - f(a)}}} } \right)} \\{\rm{17 &= f(4) - 12}}\\{\rm{f(4) &= 17 + 12}}\end{aligned}\)

Therefore, \({\rm{f(4) = 29}}\)

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