Question

dada a funçao f(x)=5x elevado a 2+6 com x pertence a R e y pertence a R, determine f(2)=

Answer 1

f(x) = 5x² + 6x 
f(2) = 5.2² + 6.2
f(2) = 5.4 + 12
f(2) = 20 + 12
f(2) = 32

Resp.: f(2) = 32

Answer 2

F(x) = 5x² + 6x
F(2) = 5.(2)² + 6.2
F(2) = 5.4 + 12
F(2) = 20 + 12
F(2) = 32