Deduce the function expression, when

a) [[$ f(-5) = -4, $]], [[$ f(-1)= 0 $]], [[$ f(2) = 3 $]] and [[$ f(99) = 100 $]].



Answer: The expression is [[$ f(x) = $]]

b) [[$ g(-2) = -6 $]], [[$ g(0)= 0 $]], [[$ g(3) = 9 $]] and [[$ g(11) = 33 $]].



Answer: The expression is [[$ g(x) = $]]