Concept explainers
a.
To find: the initial quantity.
a.
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Answer to Problem 20CR
The initial quantity is
Explanation of Solution
Given information:
The function is
Calculation: to find the initial quantity, substitute
Thus, Theinitial quantity is
b.
To find: the quantity after
b.
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Answer to Problem 20CR
The quantity is
Explanation of Solution
Given information:
The function is
Calculation: to find the initial quantity, substitute
Thus, The quantity is
c.
Tograph: that function by using graphing utility.
c.
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Explanation of Solution
Given information:
The function is
Graph:Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expression
Step 4: Press GRAPH button to graph the function.
The graph is obtained as:
Interpretation: form the above graph it can be observed that Theinitial quantity is
Chapter 3 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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