Name: _____________________________ Date: _______________________

MCF3M: Choice Assignment #3

	Please answer four out of the five questions listed.  Please show all your work and staple your solutions to the assignment sheet.  These will be due Tuesday, March 20th, 2007.  Have a great March Break!

1) If f(x) = -6x +4,
a) Find the domain if the range is -10 < f(x)
b) Find the range if the domain is 3 > x > -2

2) If g(x) = {(-2,3), (-1, 0), (0, 4), (2, 3)}
a) State the domain and range of g(x)
b) If h(x) = -2f(x + 1) – 3, find the domain and range of h(x)

3) Graph the function f(x) = 3x² - 4x - 5

4) Simplify the following and state restrictions
a) 	b) 	c) 	d) 

5) The cost function of a production line is , where y is the cost per hour, and x is the number of items produced per hour.  Determine the most economical production line.