Practical Business Math Procedures
12th Edition
ISBN: 9781259540554
Author: Jeffrey Slater, Sharon Wittry
Publisher: McGraw-Hill Education
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Chapter 20, Problem 2PT
To determine
The annual premium by using the straight-life policy and the nonforfeiture options available for her.
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Consider the function f(x) = 2x² - 8x + 3 over the interval 0 ≤ x ≤ 9. Complete the following
steps to find the global (absolute) extrema on the interval. Answer exactly. Separate multiple answers
with a comma.
a. Find the derivative of f (x) = 2x² - 8x+3
f'(x)
b. Find any critical point(s) c within the intervl 0 < x < 9. (Enter as reduced fraction as needed)
c. Evaluate the function at the critical point(s). (Enter as reduced fraction as needed. Enter DNE if
none of the critical points are inside the interval)
f(c)
d. Evaluate the function at the endpoints of the interval 0 ≤ x ≤ 9.
f(0)
f(9)
e. Based on the above results, find the global extrema on the interval and where they occur.
The global maximum value is
at a
The global minimum value is
at x
Determine the values and locations of the global (absolute) and local extrema on the graph given.
Assume the domain is a closed interval and the graph represents the entirety of the function.
3
y
-6-5-4-3
2
1
-1
-2
-3
Separate multiple answers with a comma.
Global maximum: y
Global minimum: y
Local maxima: y
Local minima: y
x
6
at a
at a
at x=
at x=
A ball is thrown into the air and its height (in meters) is given by h (t)
in seconds.
-4.92 + 30t+1, where t is
a. After how long does the ball reach its maximum height? Round to 2 decimal places.
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b. What is the maximum height of the ball? Round to 2 decimal places.
meters
Chapter 20 Solutions
Practical Business Math Procedures
Ch. 20.1 - Bill Boot, age 39, purchased a $60,000, 5-year...Ch. 20.1 - Prob. 2PQCh. 20.1 - Prob. 1EPQCh. 20.1 - Prob. 2EPQCh. 20.1 - Use the table in the Business Math Handbook to...Ch. 20.1 - Prob. 2AHCh. 20.1 - Prob. 3AHCh. 20.1 - Prob. 4AHCh. 20.1 - Prob. 5AHCh. 20.1 - Prob. 6AH
Ch. 20.1 - If Gary Thomas decides to cash in his $45,000...Ch. 20.1 - Prob. 8AHCh. 20.1 - Prob. 9AHCh. 20.1 - Prob. 10AHCh. 20.1 - Prob. 11AHCh. 20.2 - Prob. 1PQCh. 20.2 - Prob. 2PQCh. 20.2 - Prob. 3PQCh. 20.2 - Prob. 1EPQCh. 20.2 - Prob. 2EPQCh. 20.2 - Prob. 3EPQCh. 20.2 - Prob. 1AHCh. 20.2 - Prob. 2AHCh. 20.2 - Prob. 3AHCh. 20.2 - Prob. 4AHCh. 20.2 - Prob. 5AHCh. 20.2 - Prob. 6AHCh. 20.2 - Prob. 7AHCh. 20.2 - Prob. 8AHCh. 20.2 - Prob. 9AHCh. 20.2 - Prob. 10AHCh. 20.2 - Prob. 11AHCh. 20.3 - Calculate the annual auto premium for Mel Jones...Ch. 20.3 - Prob. 2PQCh. 20.3 - Prob. 1EPQCh. 20.3 - Prob. 2EPQCh. 20.3 - Prob. 1AHCh. 20.3 - Prob. 2AHCh. 20.3 - Prob. 3AHCh. 20.3 - Prob. 4AHCh. 20.3 - Prob. 5AHCh. 20.3 - Prob. 6AHCh. 20.3 - Prob. 7AHCh. 20.3 - Prob. 8AHCh. 20.3 - Prob. 9AHCh. 20.3 - Prob. 10AHCh. 20.3 - Prob. 11AHCh. 20.3 - Prob. 12AHCh. 20.3 - Prob. 13AHCh. 20.3 - Prob. 14AHCh. 20.3 - Prob. 15AHCh. 20.3 - Prob. 16AHCh. 20 - Prob. 1ECPCh. 20 - Prob. 2ECPCh. 20 - Prob. 3ECPCh. 20 - Prob. 4ECPCh. 20 - Prob. 5ECPCh. 20 - Prob. 6ECPCh. 20 - Prob. 7ECPCh. 20 - Calculate the total cost of a fire insurance...Ch. 20 - Prob. 9ECPCh. 20 - Prob. 10ECPCh. 20 - Prob. 11ECPCh. 20 - Prob. 12ECPCh. 20 - Calculate the annual auto insurance premium for...Ch. 20 - Prob. 14ECPCh. 20 - Prob. 15ECPCh. 20 - Prob. 16ECPCh. 20 - Prob. 17ECPCh. 20 - Prob. 18ECPCh. 20 - Prob. 19ECPCh. 20 - Prob. 20ECPCh. 20 - Prob. 21ECPCh. 20 - Prob. 22ECPCh. 20 - Prob. 23ECPCh. 20 - Prob. 24ECPCh. 20 - Prob. 25ECPCh. 20 - Prob. 26ECPCh. 20 - Marika Katz bought a new Blazer and insured it...Ch. 20 - Prob. 28ECPCh. 20 - Prob. 29ECPCh. 20 - Prob. 30ECPCh. 20 - Prob. 1PTCh. 20 - Prob. 2PTCh. 20 - Prob. 3PTCh. 20 - Prob. 4PTCh. 20 - Prob. 5PTCh. 20 - Prob. 6PT
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- Determine where the absolute and local extrema occur on the graph given. Assume the domain is a closed interval and the graph represents the entirety of the function. 1.5 y 1 0.5 -3 -2 -0.5 -1 -1.5 Separate multiple answers with a comma. Absolute maximum at Absolute minimum at Local maxima at Local minima at a x 2 3 аarrow_forwardA company that produces cell phones has a cost function of C = x² - 1000x + 36100, where C is the cost in dollars and x is the number of cell phones produced (in thousands). How many units of cell phones (in thousands) minimizes this cost function? Round to the nearest whole number, if necessary. thousandarrow_forward11:48 SS retry this question below lll 43% A communications tower is located at the top of a steep hill, as shown. The angle of inclination of the hill is 77°. A guy wire is to be attached to the top of the tower and to the ground, 102 ft downhill from the base of the tower. The angle formed by the guy wire is 9°. Find the length of the cable required for the guy wire. 9° 102 ft 77° NOTE: The picture is NOT drawn to scale. length of guy-wire = ft Enter your answer as a number; your answer should be accurate to 2 decimal places. Question Help: Video Submit Question Jump to Answer |||arrow_forward
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