The graph shows the Dow Jones Industrial Average on a particularly tumultuous day soon after the U.S. credit rating was downgraded from AAA to AA+ in 2011. If t represents the number of hours the Dow Jones Industrial Average D as a function of time t. If we represent this function by D = f(t), use the graph to complete the following. Dow Jones Industrial Average I1,300 I1,200 I1,100 11,000 10,900 10,800 Down SO8 06 Close = 10,719.94 10,700 10,600 10 a.m. Noon 2 p.m. 4 pm. (a) Find f(0) and f(6.5) f(0) = 11228 (6.5) = 10719.94 (b) Find the domain and range for D = f(t) as defined by the graph. (Enter your answers using interval notation. Enter EMPTY or Ø for the empty set.) domain range (c) About how many t-values satisfy f(t) = 11,000? x t-values Estimate one such t-value.
The graph shows the Dow Jones Industrial Average on a particularly tumultuous day soon after the U.S. credit rating was downgraded from AAA to AA+ in 2011. If t represents the number of hours the Dow Jones Industrial Average D as a function of time t. If we represent this function by D = f(t), use the graph to complete the following. Dow Jones Industrial Average I1,300 I1,200 I1,100 11,000 10,900 10,800 Down SO8 06 Close = 10,719.94 10,700 10,600 10 a.m. Noon 2 p.m. 4 pm. (a) Find f(0) and f(6.5) f(0) = 11228 (6.5) = 10719.94 (b) Find the domain and range for D = f(t) as defined by the graph. (Enter your answers using interval notation. Enter EMPTY or Ø for the empty set.) domain range (c) About how many t-values satisfy f(t) = 11,000? x t-values Estimate one such t-value.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![The graph shows the Dow Jones Industrial Average on a particularly tumultuous day soon after the U.S. credit rating was downgraded from AAA to AA+ in 2011. If t represents the number of hours after 9:30 A.M., then the graph defines
the Dow Jones Industrial Average D as a function of time t. If we represent this function by D = f(t), use the graph to complete the following.
Dow Jones Industrial Average
11,300
11,200
11,100
11,000
10,900
10,800
Down 508.06
Close = 10,719.94
10,700
10,600
10 a.m.
Noon
2 p.m.
4 p.m.
(a) Find f(0) and f(6.5).
f(0) =
11228
f(6.5)
10719.94
(b) Find the domain and range for D = f(t) as defined by the graph. (Enter your answers using interval notation. Enter EMPTY or Ø for the empty set.)
domain
range
(c) About how many t-values satisfy f(t) = 11,000?
t-values
Estimate one such t-value.
t =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04f15ddc-4ab7-4c8a-90ce-9d9ac86a1be6%2F3e61842f-a570-4f23-9680-73e45bfdec58%2Ft2lgk0f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The graph shows the Dow Jones Industrial Average on a particularly tumultuous day soon after the U.S. credit rating was downgraded from AAA to AA+ in 2011. If t represents the number of hours after 9:30 A.M., then the graph defines
the Dow Jones Industrial Average D as a function of time t. If we represent this function by D = f(t), use the graph to complete the following.
Dow Jones Industrial Average
11,300
11,200
11,100
11,000
10,900
10,800
Down 508.06
Close = 10,719.94
10,700
10,600
10 a.m.
Noon
2 p.m.
4 p.m.
(a) Find f(0) and f(6.5).
f(0) =
11228
f(6.5)
10719.94
(b) Find the domain and range for D = f(t) as defined by the graph. (Enter your answers using interval notation. Enter EMPTY or Ø for the empty set.)
domain
range
(c) About how many t-values satisfy f(t) = 11,000?
t-values
Estimate one such t-value.
t =
![For f(x) = V6x and g(x) = x², find the following.
(a) (f+ g)(x)
(b) (f – g)(x)
(c) (f·g)(x)
36x – 18x + 2
.2
(d) (f/g)(x)
, x + 0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04f15ddc-4ab7-4c8a-90ce-9d9ac86a1be6%2F3e61842f-a570-4f23-9680-73e45bfdec58%2Fn1qguup_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For f(x) = V6x and g(x) = x², find the following.
(a) (f+ g)(x)
(b) (f – g)(x)
(c) (f·g)(x)
36x – 18x + 2
.2
(d) (f/g)(x)
, x + 0
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