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Larson - Brief Calculus: An Applied Approach 8/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 61 / 61

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

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3
–/1 –/9 –/3
Total
61/61 (100.0%)

  • Instructions

    Here are some textbook questions from Brief Calculus: An Applied Approach 8/e by Ron Larson published by Brooks/Cole. Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and makes the answer key available after the first submission so you can see the correct answers. (Typically, the answer key is posted after the due date!)

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1. –/1 points LarBApCalc8 1.1.026. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
A guy wire is stretched from a broadcasting tower at a point 225 feet above the ground to an anchor 100 feet from the base (see figure). How long is the wire?
Enter a number.
 ft

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2. –/9 points LarBApCalc8 1.4.014. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/9
 
Consider the following function.
f(x) = {(4 x + 4 text( if ) x<0,4-x text( if ) x>=0)

(a) Graph the function.
Maple Generated Plot
 Maple Generated Plot
Maple Generated Plot
 Maple Generated Plot

(b) Determine the domain and range of the function. (If you need to use or –, enter INFINITY or –INFINITY, respectively.)
domain:
Enter a number.
 ,
Enter a number.
range:   
Enter a number.
 ,
Enter a number.

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3. –/3 points LarBApCalc8 1.5.022. My Notes
Question Part
Points
Submissions Used
1 2 3
–/1 –/1 –/1
0/50 0/50 0/50
Total
–/3
 
Use the graph to find the limit (if it exists). (If you need to use or –, enter INFINITY or –INFINITY, respectively. If an answer does not exist, enter DNE.)
A = (-2, 0),    B = (-2, 4),    c = -2

(a) lim_(x->c^+) f(x)
Enter an exact number.

(b) lim_(x->c^-) f(x)
Enter an exact number.

(c) lim_(x->c) f(x)
Enter a number.

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