Detailed description
Graph of y = f(x) where f(x) = x squared + 1, part of parabola shown, area between graph and x axis between x = 0 and x = 5 shaded. y coordinate at x is f(x).
Integration
Graph of y = f(x) where f(x) = x squared + 1, part of parabola shown, area between graph and x axis between x = 0 and x = 5 shaded. y coordinate at x is f(x).