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Find the derivative, and simplify: #1
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BUCKET-BALL2.1 – 2.3 Review
1. You need a piece of paper and a pencil.2. Write your TEAM NUMBER, your NAME, and your
LETTER(A-D) on the top of your paper.3. For each question I will call one letter to come and
show their solution (INCLUDING ALL NECESSARY WORK).
4. 1 point is awarded for a correct answer. 5. If a team gets an answer correct they can shoot a
basket for 1 bonus point.
NOT PARTICIPATING WILL COST YOUR TEAM POINTS.
RULES
Find the derivative, and simplify:
#1
2 3
6x xf x
#1 ANSWER
1 1( )3 2
f x x
Find the derivative and simplify.
#2
#2 ANSWER
4 2( ) 5 3 2f x x x
An automobile’s velocity (ft/s), starting from rest, is represented by
Find the acceleration of the automobile at .
#3
#3 ANSWER
260 ft(10) 1.224
sec49a
#4Find the second derivative and simplify:
23( ) 2 3f x x
#4 ANSWER
4120 72f x x x
#5If the nth derivative of y is denoted as and , then what is
#5 ANSWER
20 2siny x
#6Evaluate the limit:
0
sin sin2 2lim
h
h
h
#6 ANSWER
cos 02
This is asking to find the derivative of sinx when x=pi/2
#7If, which of the
following must be true?
I. f is continuous at x = 2.II. f is differentiable at x = 2.III. (2) 5f
2lim ( ) 5x
f x
#7 ANSWER
None need to be true.
#9Find the values of a and c that make the function differentiable at
2 sin , ( )
2 , ax x x
f xx c x
#9 ANSWER
#10
X
1 3 1 4
2 5 3 1
3 2 1 14 4 2
Let
Find
#10 ANSWER
#11Find the equation of the tangent line to the function
at the point when
#11 ANSWER
𝑦−6=6√3(𝑥− 𝜋3 )
#12
The length of a rectangle iand its height is represented by , where t is time in seconds and the dimensions are in inches. Find the rate of change of the area, A, with respect to time.
#12 ANSWER
4 325 16dA t tdt