Derivatives
More Derivatives
Avg. ROC and Tangent Lines
Position, Velocity, Acceleration
100

Solve using the limit definition of a derivative

f(x)=5x^2+22x-4

10x+22

100

Find the derivative of 

5sqrtx

5/(2sqrtx)

100

Find the average rate of change of the function on the interval [0,5].

f(x)=3x^2+8

15

100

The position of an object at any time t>0 is given below where t is in seconds and s is in meters.

A. What is the particle's position at time t=3 ?

s(t)=t^3-t^2-5t+2

5 meters

200

Derivative of:

-3/x^3

9/x^4

200

MOHLER MOMENT

Are you familiar with my culture?

1. Why's James cryin?

2. What's 9+10?

3. Happy Birthday Raven! "__ _______ _______."

4. Road work ahead.......

1. Cause he just got dunked on

2. 21

3. "I can't swim"

4. Uh, yeah. I sure hope it does.

200

Find the average rate of change of the function on the interval [0,7]. 

f(x)=3sqrt(x+9)

3/7

200

The position of an object at any time t>0 is given below where t is in seconds and s is in meters.

B. Is the object moving faster at t=1 sec or t=4 sec? Show your work.

s(t)=t^3-t^2-5t+2

v(1)=-4 m/s

v(4)=35 m/s

faster at 4 seconds

300

Find f'(x):

(-4x+3)(sqrtx)

(-4x+3)(1/2x^(-1/2))-4sqrtx

300

Find f'(1):

(x^2-3)/(7x)

4/7

300

Find the equation of the tangent line to the function when x=3

f(x)=5x^2-4x+1

y=26x-44

300

The position of an object at any time t>0 is given below where t is in seconds and s is in meters.

C. When is the object at rest (Hint available for -50 pts)?

s(t)=t^3-t^2-5t+2

5/3 seconds

400

Find f'(2):

f(x)=(3x-2x^2)^3

-60

400

Find the derivative:

root(3)(((x^2-1))^2

2/3(x^2-1)^(-1/3)(2x)

400

MOHLER MOMENT

1. What year did Mr. Mohler graduate high school?

2. What was Mr. Mohler's favorite Disney Channel show back in the day?

3. Would you still take my math class if I was a worm?

1. 2020

2. Good Luck Charlie

3. No. I couldn't teach if I were a worm.

400

The position of an object at any time t>0 is given below where t is in seconds and s is in meters.

D. When does the object have 0 acceleration?

s(t)=t^3-t^2-5t+2

1/3 seconds

500

Find f'(1):

((1-2x)/(1+x))^3

-9/16

500

Find the derivative:

(4x-x^2)^100(3x-1)

(4x-x^2)^100(3)+(3x-1)(100)(4x-x^2)^99(4x-2x)

500

Find the equation of the tangent line to the function when x=4

f(x)=15sqrt(x)

y=15/4x+15

500

The position of an object at any time t>0 is given below where t is in seconds and s is in meters.

E. What is the average rate of change of velocity on the interval [1,4]?

s(t)=t^3-t^2-5t+2

13 m/s^2

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