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1.2.3c Function Example 4 and 5

Example 4
Given the function f:x3x+2  , find the value of
(a) f(2)
(b) f(5)
(c) f(13)


Example 5
If f(x)=x2+3x+2  , express each of the following in terms of x:
(a) f(2x)
(b) f(3x+1)
(c) f(x2)


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