Question

Considerando a funcao f cuja lei é f (x)=4x+9, determine f (2)

Answer 1

f(x) = 4x + 9
f(2) = 4.2 + 9
f(2) = 8+9 
f(2) = 17

Answer 2

f(2)= 4.2+9
f(2)= 8+9
f(2)= 17