Reading Questions over Section 2.3 and 2.4

1. The graph of f(x)= |x| resembles which letter of the alphabet.

2. Suppose n = f(A) = A/250. Suppose A = g(n) = 250n.
    How are f and g related? (Select ALL that are correct.)
    o inverses of each other
    o g = f⁻¹
     o f = g⁻¹

3.True or False:  f⁻¹(x) means 1/f(x).

4. In Sec. 2.4, Example 3 the units of P⁻¹(2) would be...
     o birds
     o crickets
     o years
     o chirps/min
     o degrees F