Mathematics for IGCSE & O level - Functions (Section 2 - No. 47)
What is the range of f(x) = x² if the domain is {-3, -2, -1, 0, 1, 2, 3}?
{-3, -2, -1, 0, 1, 2, 3}
{0, 1, 4, 9}
{-9, -4, -1, 0, 1, 4, 9}
{9, 4, 1, 0}
解释
Apply the function to the values