Question

dada a função f (x)=2x+3 determine o valor de y quando x=(-2,-1,0,1,2)

Answer 1

f(-2)= 2.(-2) +3
f(-2)= -4+3
y= -1

f(-1)= 2.(-1) +3
f(-1)= -2+3
y= 1

f(0)= 2.0 + 3
f(0)= 0+3
y= 3

f(1)= 2.1 +3
f(1)= 2+3
y= 5

f(2)= 2.2 +3
f(2)= 4 +3
y= 7