Sec 2.3: Getting Information from Graphs

  1. The graph of a function $f$ is given below.  solution

    2. graph3

    Find (a) $f(2)$   (b) $f(4)$   (c) $f(7)$   (d) the domain and range of $f$.

  2. The graph of a function $g$ is given below.   solution

    3. graph3

    Find (a) $g(-3)$   (b) $g(0)$   (c) $g(-2)$   (d) the domain and range of $g$,

    (e) the values of $x$ for which $g(x)=2$, (f) the values of $x$ for which $g(x) \leq 2$.