1-4 are NO calc, 5-11 are Calc
Andr wants to get from point A located in the sea to point Y located on a straight stretch of
beach. P is the point on the beach nearest to A such that AP = 2 km and PY = 2 km. He does this
by swimming in a straight line
Core Mathematics C1
Tangents and Normals
Calculators may NOT be used for these questions.
Information for Candidates
A booklet Mathematical Formulae and Statistical Tables might b
Consider the function f(x) = x 3x 9x + 10, x
Find the equation of the straight line passing through the maximum and minimum points
of the graph y = f(x).
Show that the point of inflexion of the graph y = f(x) lies on this straight li