function evaluation

Practise function evaluation with an original VectorPaths question, worked explanation and related VCE Methods practice.

1 practice marks

Original practice question

Let $g(x) = \dfrac{-x - 1}{x + 1}$. Calculate $g(2)$.

Worked explanation

• Substitute x = 2 into f(x)

  \[f(2) = \dfrac{-(2) - 1}{(2) + 1}\]

• Calculate the result

  \[f(2) = -1\]

-1

Original VectorPaths practice; not an official VCAA question or marking rubric.