Respuesta :

altavistard

Answer:

f(1) = 9

Step-by-step explanation:

Evaluate  f(x) = 4x+5 by replacing both instances of x with '1' as follows:

f(1) = 4(1) + 5 = 9

Thus, f(1) = 9
Put x value there which is 1 so its gonna be like this 4(1)+5
4*1+ 5
4+5=9

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