Concept explainers
a.
To find:the function that represents the annual profits of the company.
a.

Answer to Problem 84E
The function that represents the annual profits is
Explanation of Solution
Given information :
The functions are
Calculation : to find the function that represents the total annual sales of the two stores,
Add the annual cost and the company revenue,
Thus, the function that represents the annual profits is
b.
To graph: the functions by using graphing utility.
b.

Explanation of Solution
Given information :
The functions are
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 which is required to graph,
Step 4: Press GRAPH button to graph the function.
The graph is obtained as:
Interpretation: from the above graph it can be observed that the
Chapter 1 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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- In x For the function f(x) = find f'(x). Then find f''(0) and f''(9). 11x'arrow_forwardLet f(x) = √√x+3 and g(x) = 6x − 2. Find each of the following composite functions and state the domain: (a) fog (b) gof, (c) fof (d) gogarrow_forwardCompute the following: (a) 8x³ + 3x dx (b) cos(2u) du (c) f² ebx dxarrow_forward
- Find the following limits. (a) lim 3(x-1)² x→2 x (b) lim 0+x (c) lim 3x2-x+1 x²+3 x²+x-12 x-3 x-3arrow_forwardFor f(x) = (x+3)² - 2 sketch f(x), f(x), f(x − 2), and f(x) — 2. State the coordi- nates of the turning point in each graph.arrow_forwardFor f(x) = (x+3)² - 2 sketch f(x), f(x), f(x − 2), and f(x) — 2. State the coordi- nates of the turning point in each graph.arrow_forward
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