Question

Dada a função f(x) = 2x +5 =0; Calcule: a) f(2); b) d) f(3); c) f(6); F(8); e) f( -1)

Answer 1

a) f(2)= 2.2+5

f(2)= 4+5

f(2)= 9

b) f(3)= 3.2+5

f(3)= 6+5

f(3)= 11

c) f(6)= 6.2+5

f(6)= 12+5

f(6)= 17

d) f(8)= 8.2+5

f(8)= 21

e) f(-1)= 2.(-1)+5

f(-1)= -2+5

f(-1)= 3