Respuesta :

Answer:

f(15) = 49

Step-by-step explanation:

f(x) = 4x - 11

f(15) = 4(15) - 11 (substitute 15 instead of x)

f(15) = 60 -11

f(15) = 49

hamsan

Answer:

f(5)=9

Step-by-step explanation:

f(x)=4x-11

f(5)=4(5)-11

= 20-11

=9