Exercises: Relate the Domain of a Function to Its Graph and Quantitative Context

Work through each section in order. Show your work where indicated.

Grade 9·21 problems·~30 min·Common Core Math - HS Functions·group·hsf-if-b-5

Work through problems with immediate feedback

Recall / Warm-Up

Which expression is undefined for some real number value of $x$ ?

$f(x) = 3x - 7$

$g(x) = x^2 + 4$

$h(x) = \dfrac{1}{x + 2}$

$k(x) = |x| + 1$