Introduction to Piecewise Functionsstaffweb.psdschools.org/rrockwoo/Ms_Harrison/ALGEBRA 2... ·...
Transcript of Introduction to Piecewise Functionsstaffweb.psdschools.org/rrockwoo/Ms_Harrison/ALGEBRA 2... ·...
Introduction to Piecewise Functions
22 Extension Day 1
Objective: To write a rule for piecewise functions
Title: Jul 711:26 AM (1 of 12)
Check skills you'll needWrite the equation for the following graphs
Title: Jul 711:26 AM (2 of 12)
Piecewise functions are graphs of two or more functions that are pieced together.
Title: Jul 711:26 AM (3 of 12)
Writing rules for piecewise functions
Step 1: Identify the various pieces
Step 2: Write the equation for each piece
Step 3: Find the restriction (starting and ending point) for each piece
Step 4: Write the rule for the entire piecewise function
Step 1
Step 2
Step 3
Step 4
Title: Jul 711:26 AM (4 of 12)
Step 1: Identify the various pieces
Step 2: Write the equation for each piece
Step 3: Find the restriction (starting and ending point) for each piece
Step 4: Write the rule for the entire piecewise function
Step 2
Step 3
Step 4
Writing rules for piecewise functions
Title: Jul 711:26 AM (5 of 12)
Step 1: Identify the various pieces
Step 2: Write the equation for each piece
Step 3: Find the restriction (starting and ending point) for each piece
Step 4: Write the rule for the entire piecewise function
Step 3
Step 4
f(x) = x + 8green f(x) = 3blue f(x) = 2x 1red
Writing rules for piecewise functions
Title: Jul 711:26 AM (6 of 12)
Step 1: Identify the various pieces
Step 2: Write the equation for each piece
Step 3: Find the restriction (starting and ending point) for each piece
Step 4: Write the rule for the entire piecewise function Step 4
f(x) = x + 8 f(x) = 3 f(x) = 2x 1
x < 5
5 < x < 2_ _
x > 2
Writing rules for piecewise functions
Title: Jul 711:26 AM (7 of 12)
Step 1: Identify the various pieces
Step 2: Write the equation for each piece
Step 3: Find the restriction (starting and ending point) for each piece
Step 4: Write the rule for the entire piecewise function
f(x) = x + 8 f(x) = 3 f(x) = 2x 1
x < 5
5 < x < 2_ _
x > 2
Writing rules for piecewise functions
Title: Jul 711:26 AM (8 of 12)
f(x) = x + 8 f(x) = 3 f(x) = 2x 1
x < 5
5 < x < 2_ _
x > 2
f(x) ={ x + 8, if x < 5
3, if 5 < x < 2_ _
2x 1, if x > 2
Writing rules for piecewise functions
Title: Jul 711:26 AM (9 of 12)
Writing rules for piecewise functions
Title: Jul 711:26 AM (10 of 12)
Writing rules for piecewise functions
f(x) = {5, if x < 4
x + 3, if 2 < x < 3_
2, if x > 3
Title: Jul 711:26 AM (11 of 12)
Homework
Writing rules worksheet
Title: Jul 711:26 AM (12 of 12)