Apps. and Interpretation for IBDP Maths Ebook 1 | Page 47

x
4. The function f( x ) is defined as f ( x) � 2�a � b , where ab� , 0. The graph of f( x )
passes through (0, 6) and (4,166) .
(a) Find the values of a and b .
(b) Write down the change of the values of f( x ) if the values of the elements in
domain increases.
(c) Write down the number of solutions of f( x) � 10.
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[1]
[1]
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