Exercises: Interpret Key Features of Graphs

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

Grade 9·20 problems·~30 min·Common Core Math - HS Functions·group·hsf-if-b-4

Work through problems with immediate feedback

Fluency Practice

A function $g$ has $g(x) > 0$ for $1 < x < 5$ and $g(x) < 0$ for $x < 1$ and $x > 5$ . What are the $x$ -intercepts of $g$ ?

$x = 1$ and $x = 5$

$x = 0$ and $x = 6$

There are no $x$ -intercepts because $g$ changes sign.

$x = 3$ only (the midpoint between the sign changes)