Question

If r(x) = 2 – x2 and w(x) = x – 2, what is the range of w(r(x))

Answer 1

(-infinity,0] is the answer.

Answer 2

Range is the outputs possible
w(r(x))=(2-x^2)-2
w(r(x))=2-x^2-2
w(r(x))=-x^2

therefor the range is from 0 to -∞