[2.2] Domain & Range

About graphing calculators: Not allowed on tests. Get yourself a cheap non-graphing calculator for tests.

Lab, 3e) $x^3+408x^2-123x+59=0$: Zoom in to check a possible solution near $x=0$...

Formula Examples

Find the domain and range for the following functions:

  • $f(x)=3x+4$
  • $c(x)=7$
  • $q(s)=\sqrt s$
  • $h(t)=\sqrt{t+2} +6$
  • $w(z)=x^2+1$
  • $l(x)=\frac{(x^2+1)}{(x-1)}$