Chapter 2: Q. 101 (page 116)
Vertical Stretches Open the vertical stretch applet. Use your mouse to grab the slider and change the value of . Note the role plays in the graph of , where
.
Short Answer
The graph is

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Chapter 2: Q. 101 (page 116)
Vertical Stretches Open the vertical stretch applet. Use your mouse to grab the slider and change the value of . Note the role plays in the graph of , where
.
The graph is

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In Problems 33– 44, determine algebraically whether each function is even, odd, or neither.
A wire of length xis bent into the shape of a circle.
Part (a): Express the circumference Cof the circle as a function of x.
Part (b): Express the areaAof the circle as a function ofx.
Determine whether each relation represents a function. For each function, state the domain and range.
Solve the inequality: . Graph the solution set.
An equilateral triangle is inscribed in a circle
of radius r. See the figure. Express the circumference Cof the circle as a function of the length x of a side of the triangle.
[Hint: First show that .]
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