Question

dada a função f (x)=3x+2, determine :f (1) = b:f (4)= c:f (5)+f (7)= d:f (6)-f (2)=

Answer 1

f(x)=3x+2

f(1)=3.1+2=3+2=5

f(4)=3.4+2=12+2=14

f(5)=3.5+2=15+2=17

f(7)=3.7+2=21+2=23

f(6)=3.6+2=18+2=20

f(2)=3.2+2=6+2=7

Espero ter ajudado :-)