function evaluation

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

1 practice marks

Original practice question

If $f(x) = -x^3 - 1$, evaluate $f(-1)$.

Worked explanation

  • Substitute x = -1 into f(x)

    \[f(-1) = -(-1)^3 - 1\]

  • Calculate the result

    \[f(-1) = 0\]

0

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