Question: Question 3 ( 7 marks ) : Consider the function f ( x ) = 2 x - 1 3 x + 6 . a

Question 3(7 marks):
Consider the function f(x)=2x-13x+6.
a) Compute f(3). Show all steps.
b) What is the domain of f? Justify.
c) Verify that the number 5 is in the range of f by finding an x-value a such that f(a)=5. Give the value of a in fraction form.

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