Skip over navigation
Integral Sandwich
Age 16 to 18
Challenge Level 
You might find it useful to sketch a graph. The graph of $f(x)$ can
take any shape but the inequalities tell you it is sandwiched
between the axes and some other graph, so you can deduce something
about the area under the graph of $f(x)$ and hence about the
integral.
You may also like
Area L
By sketching a graph of a continuous increasing function, can you prove a useful result about integrals?
