Assessment: Functions #3    due: day 1 of week 8

Do not lose this assessment. Do all your math on your own paper.

      f(x) = 2(x) - 3  and  h(x) = (3(x))^2 - 3(x) - 1

   a.  Find 'x' when f(x) = 14.  

   b.  f(0) = ______

   c.  The domain for f(x) is what?

   d.  h(-1) = _____

   e.  h(0) - 2(5 + 3) = _____

   f.  No or Yes:  h(1) is undefined.

   g.  2(f(0) + h(-1)) = _____

      RoadTrip Mileage Table
      ======================
      hour h           |  0  |  1  |  2  |  3  |  4  |  5
      ----------------------------------------------------
      miles to go M(h) | 420 | 360 | 300 | 230 | 150 |  75 

   h.  M(2) = _____

   i.  M(6) = _____

   j.  There are _____ miles to go after 3 hours of travel.

   k.  M(0) represents what?

   l.  M is a function of _____.

   m.  M(h) depends on _____.

   n.  M(h) equals 230 miles when 'h' equals ______ hour(s).

   o.  ________ miles are covered during the 1st hour of travel.