Week 8: Unit 3a Review & Intro to Unit 3b

Unit 3b Intro: Videos

http://www.onlinemathlearning.com/exponential-functions.html


Review for Unit 3a Test:

f(x)	Function vs Relation	Rate of Change	Arithmetic Sequence	Review
f(x) is the same as which variable?	What is the difference between a function and relation?	What is the rate of change formula?	Write the explicit formula.	Solve for h: .
x -11 12 -7 7 -3 2 1 -3 Use the table below to find f(7).	What is the domain and range? x -11 12 -7 7 -3 2 1 -3	What is the rate of change given the following points: (3,7) and (8,10)	What is the common difference in the sequence: {4, 11, 18, 25}	Solve the system of equations:    x + y = 32                        5x + 2y = 100
If 4 is the solution to f(x) = 3, what is the coordinate found on the graph of the function?	Is this a function? Why or why not?	What is the rate of change from [-2, 6]?   x y -2 13   2 -5   6 -17	In the sequence below, what is: a1 a4 d   {5, 8, 11, 14, 17, 20}	If the lines on a graph are perpendicular, what do you know about the solution for the linear system of equations?
Find the range of f(x) = 3x – 2 when the domain is {-5, -2, -1}	Is this a function? Why or why not?	What is the rate of change in the following graph:	Find the 12th term in the sequence	Which area should be shaded to show the solution set for the system of inequalities below: X ≤ 2 Y ≥ -2
For the functions	Is this a function? Why or why not?	1.      The table shows a truck driver’s distance from home during one day’s deliveries. Find the rate of change for the following time intervals. Time (h) 0 1 3 5 7 9 Distance (mi) 0 34 70 81 189 210         Hour 1 to Hour 4: _______                                    Hour 5 to Hour 8: _______                          Hour 8 to Hour 10: _______	Write the explicit rule that describes the sequence:   {5, 7, 9, 11}	Make a word problem for the following system of equations: