difference quotient and the tangent line.notebook
January 30, 2017
Topic: Derivatives
Aim: How can we use the difference quotient to
find the slope of the secant line? (Day 1 of 2)
HW: WS #6­12 even (ignore point) Just find
difference quotient
Do Now: Evaluate f(x+h) for each of the
following if:
1) f(x)=3x2+7x
2)
3)
Jan 27­2:37 PM
Sample Problem #1: Find the difference
quotient of f(x)=3x2+7x
f(x+h)=
f(x)=
f(x+h)­f(x)=
=
Jan 27­8:36 PM
1
difference quotient and the tangent line.notebook
January 30, 2017
Sample Problem #2: Find the difference
quotient of
f(x+h)=
f(x)=
f(x+h)­f(x)=
=
Jan 27­8:43 PM
Sample Problem #3: Find the difference
quotient of
f(x+h)=
f(x)=
f(x+h)­f(x)=
=
Jan 27­8:45 PM
2
difference quotient and the tangent line.notebook
January 30, 2017
Find the difference quotient:
#4) f(x)=7x2­2x+1
#5) f(x)=­2x+4
#7)
#6)
#8)
Jan 27­8:50 PM
3