Identify function and value: Identify the function and the value to be substituted.We are given the function g(r)=25−3r and we need to find the value of g(4).
Substitute value into function: Substitute the value 4 into the function.g(4)=25−3(4)
Perform multiplication: Perform the multiplication within the function.g4 = 25−12
Subtract to find value: Subtract 12 from 25 to find the value of g(4). g(4)=13
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