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{:[g(r)=25-3r],[g(4)=]:}

g(r)=253rg(4)= \begin{array}{l}g(r)=25-3 r \\ g(4)=\end{array}

Full solution

Q. g(r)=253rg(4)= \begin{array}{l}g(r)=25-3 r \\ g(4)=\end{array}
  1. Identify function and value: Identify the function and the value to be substituted.\newlineWe are given the function g(r)=253rg(r) = 25 - 3r and we need to find the value of g(4)g(4).
  2. Substitute value into function: Substitute the value 44 into the function.g(4)=253(4)g(4) = 25 - 3(4)
  3. Perform multiplication: Perform the multiplication within the function.\newlineg44 = 251225 - 12
  4. Subtract to find value: Subtract 1212 from 2525 to find the value of g(4)g(4). \newlineg(4)=13g(4) = 13

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