y = x^2


−6−5−4−3−2−10123456−4−3−2−101234X axisY axis

y = 2x + 1


−6−5−4−3−2−10123456−4−3−2−101234X axisY axis

Polynomial curves: y = -0.5*x^5 + 3*x^3 + x^2 - 2*x - 3


−6−5−4−3−2−10123456−4−3−2−101234X axisY axis

Exponential curves: y = exp(3^x)


−1-0.8-0.6-0.4-0.200.20.40.60.811.21.41.61.820102030405060708090100X axisY axis