restricted domain

Practise restricted domain with an original VectorPaths question, worked explanation and related VCE Methods practice.

1 practice marks

Original practice question

Which one of the following is not true for the function with rule $f(x) = \left|x^{\frac{5}{3}}\right| - 1$?

Worked explanation

  • Check each option

    \[f(-x) = |(-x)^{\frac{5}{3}}| - 1 = |x^{\frac{5}{3}}| - 1 = f(x)\]

D

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