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Zill and Wright - Calculus: Early Transcendentals (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 4 / 10

Due : Sunday, January 27, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6 7
0/1 2/2 1/1 1/1 –/1 –/3 –/1
Total
4/10 (40.0%)

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    Here are some textbook questions from Calculus: Early Transcendentals 4/e by Dennis G. Zill and Warren S. Wright published by Jones & Bartlett Learning. Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and allows you to try another version of the same question for practice.

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1. 0/1 points  |  Previous Answers ZillCalc4 2.R.C.013. My Notes
Question Part
Points
Submissions Used
1
0/1
2/50
Total
0/1
 
Determine intervals on which the given function is continuous.
f(x) = 
x + 5
x3 − 9x

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2. 2/2 points  |  Previous Answers ZillCalc4 2.R.C.020. My Notes
Question Part
Points
Submissions Used
1 2
1/1 1/1
1/50 8/50
Total
2/2
 
Find the slope of the tangent line to the graph of the function at the given value of x.
f(x) = x3 − x2,    x = 2
Correct: Your answer is correct.

Find an equation of the tangent line at the corresponding point.
와=8(엑−2)+4

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3. 1/1 points  |  Previous Answers ZillCalc4 2.R.C.023. My Notes
Question Part
Points
Submissions Used
1
1/1
1/50
Total
1/1
 
Find an equation of the line that is perpendicular to the tangent line at the point (1, 3) on the graph of
f(x) = −5x2 + 8x.

와=12​엑+52​

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4. 1/1 points  |  Previous Answers ZillCalc4 3.R.C.008. My Notes
Question Part
Points
Submissions Used
1
1/1
2/50
Total
1/1
 
Find the derivative of the given function.
y = 7 cot 4x
y' =
−28씨씨​2(4배)

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5. –/1 points ZillCalc4 3.R.C.030. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Find the indicated derivative.
y = sin(x3 − 9x);    
d2y
dx2
d2y
dx2
 = 
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6. –/3 points ZillCalc4 3.R.C.042. My Notes
Question Part
Points
Submissions Used
1 2 3
–/1 –/1 –/1
0/50 0/50 0/50
Total
–/3
 
Find the point(s) on the graph of
f(x) = 
1
2
x2 − 8x + 1
 at which
f ''(x) = f(x)
 and
f ''(x) = f '(x).
(a)    
f ''(x) = f(x)
(x, y) = ( ) (smaller x-value)
(x, y) = ( ) (larger x-value)

(b)    
f ''(x) = f '(x)
(x, y) = ( )
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7. –/1 points ZillCalc4 3.R.C.045. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Find the point on the graph of
f(x) = 
x
 at which the tangent line is parallel to the secant line through
(1, f(1)) and (25, f(25)).

(x, y) = ( )
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