function evaluation

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

1 practice marks

Original practice question

Let $f(x) = -x^3 + 3$. Calculate $f(1)$.

Worked explanation

• Substitute x = 1 into f(x)

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

• Calculate the result

  \[f(1) = 2\]

2

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