Question

construa um sistemas de coordenadas cartesianas f(x)=2-5x

Answer 1

f(x)=2-5x
f(1)=2-5.1
f(1)=2-5
f(1)=-3
(1,-3)
f(0)=2-5x
f(0)=2-5.0
f(0)=2
(0,2)
f(-1)=2-5.(-1)
f(-1)=2+5
f(-1)=7
(-1,7)