In Exercises 91–96 , the graph of a derivative f ′ is shown. Use the information in each graph to determine where f is increasing or decreasing and the x -values of any extrema. Then sketch a possible graph of f . Increasing on ( − ∞ , 2 ) , decreasing on ( 2 , ∞ ) , relative minimum at x = 2 .
In Exercises 91–96 , the graph of a derivative f ′ is shown. Use the information in each graph to determine where f is increasing or decreasing and the x -values of any extrema. Then sketch a possible graph of f . Increasing on ( − ∞ , 2 ) , decreasing on ( 2 , ∞ ) , relative minimum at x = 2 .
Solution Summary: The author analyzes the graph of the derivative function fprime and determines whether the function is decreasing or increasing.
In Exercises 91–96, the graph of a derivative
f
′
is shown. Use the information in each graph to determine where f is increasing or decreasing and the x-values of any extrema. Then sketch a possible graph of
f
.
Increasing on
(
−
∞
,
2
)
, decreasing on
(
2
,
∞
)
, relative minimum at
x
=
2
.
Points z1 and z2 are shown on the graph.z1 is at (4 real,6 imaginary), z2 is at (-5 real, 2 imaginary)Part A: Identify the points in standard form and find the distance between them.Part B: Give the complex conjugate of z2 and explain how to find it geometrically.Part C: Find z2 − z1 geometrically and explain your steps.
A polar curve is represented by the equation r1 = 7 + 4cos θ.Part A: What type of limaçon is this curve? Justify your answer using the constants in the equation.Part B: Is the curve symmetrical to the polar axis or the line θ = pi/2 Justify your answer algebraically.Part C: What are the two main differences between the graphs of r1 = 7 + 4cos θ and r2 = 4 + 4cos θ?
A curve, described by x2 + y2 + 8x = 0, has a point A at (−4, 4) on the curve.Part A: What are the polar coordinates of A? Give an exact answer.Part B: What is the polar form of the equation? What type of polar curve is this?Part C: What is the directed distance when Ø = 5pi/6 Give an exact answer.
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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