Consider the differential equation dy/dx = y. Use Euler's method with step size h to estimate y(2), where y(0) = 1.
a) y(2) ≈ 1 + h
b) y(2) ≈ 1 + 2h
c) y(2) ≈ 1 + 3h
d) y(2) ≈ 1 + 4h