7. A table of values for the exponential function f is shown below.Xf(x)1140,0002143,8503147,8064151,871156,04758. Which graph shows a function with a domain of all real numbers greater than 7?CBD9. The population of a town is currently 9,000. The function p = 9,000 + 8t² can be used to estimate p, the populatiof the town t years from now. Based on this function, which statement is true?A. The population of the town is increasing at a constant rate.B. The population of the town will reach 10,000 between 11 and 12 years from now.C. The population of the town will increase by 256 people two years from now.D. The population of the town will increase and then decrease.10. The cost, C, of getting your car repaired is given by C = 75h + 90, where h is the number of hours in labor themechanic works on your car, 75 is the cost per hour the mechanic charges, and 90 is the cost for the parts needed torepair your car. Identify the independent variable.A) 90B) CC) hD) 75Which situation could describe this function?A. The value of a house increases by approximately 2% per year.B. The value of a house increases by $3,850 per year.C. The value of a house decreases by approximately 2-% per year.D. The value of a house decreases by $3,850 per year. 11. The dishwasher at a restaurant is loaded with the same number of dishes every time it is used. The table belowshows the total number of dishes washed as a function of the number of times the dishwasher is used.Based on the data in the table, what is the total number of dishes that will have been washed when the dishwasher itused 9 times? Record your answer and fill in the bubbles on the grid.Restaurant DishwasherNumber ofTimes Total Number of DishesUsedWashed0|0|0OO25241042 2 ⓇO615682080|0|0|0OO OOO010☺ ☺ ☺010/0ololoooO12. The set of ordered pairs below represents some points on the graph of function f.{(3, 11), (-1, 3), (5, 15), (-4,-3), (-7, -9)}What is the parent function of f?A. y = xB. y = 2xC. y = x²13. What is the range of the function shown below?f(x)A. (-7, -2, 0, 5}B. (-9, -4, -1}D. {-1}C. {-9, -7,-4, -2, -1, 0,5}14. A storm is headed through North Texas. The duration of the storm is measured in hours while the rainfall ismeasured in inches as seen in the table below. a) What is the independent part of this situation?b) What would the domain be for this scenario?c) What would the range be for this scenario?123Duration of the storm(hrs), xAmount of rain(inches), y0.511.515. The time, t, it takes to travel a certain distance variesinversely as the rate, r. If t= 10h when r = 80km/h,which equation represents this situation?16. The length of one edge of a square is givenby 3x2y³. Which answer represents the areaof the square?800A. t = 800rB. t =C. t=A. 12x²y³B. 9x4y⁹C. 9x¹y6D. 12x³y¹2800+0ooooooD. y = √x

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7. A table of values for the exponential function f is shown below. X f(x) 140,000 1 2 143,850 3 147,806 4 151,871 5 156,047 Which situation could describe this function? A. The value of a house increases by approximately 22% per year. B. The value of a house increases by $3,850 per year. C. The value of a house decreases by approximately 2-% per year. D. The value of a house decreases by $3,850 per year.

7. A table of values for the exponential function f is shown below. X f(x) 140,000 1 2 143,850 3 147,806 4 151,871 5 156,047 Which situation could describe this function? A. The value of a house increases by approximately 22% per year. B. The value of a house increases by $3,850 per year. C. The value of a house decreases by approximately 2-% per year. D. The value of a house decreases by $3,850 per year.

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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Question

7. A table of values for the exponential function f is shown below.
X
f(x)
1
140,000
2
143,850
3
147,806
4
151,871
156,047
5
8. Which graph shows a function with a domain of all real numbers greater than 7?
C
B
D
9. The population of a town is currently 9,000. The function p = 9,000 + 8t² can be used to estimate p, the populati
of the town t years from now. Based on this function, which statement is true?
A. The population of the town is increasing at a constant rate.
B. The population of the town will reach 10,000 between 11 and 12 years from now.
C. The population of the town will increase by 256 people two years from now.
D. The population of the town will increase and then decrease.
10. The cost, C, of getting your car repaired is given by C = 75h + 90, where h is the number of hours in labor the
mechanic works on your car, 75 is the cost per hour the mechanic charges, and 90 is the cost for the parts needed to
repair your car. Identify the independent variable.
A) 90
B) C
C) h
D) 75
Which situation could describe this function?
A. The value of a house increases by approximately 2% per year.
B. The value of a house increases by $3,850 per year.
C. The value of a house decreases by approximately 2
-% per year.
D. The value of a house decreases by $3,850 per year.

11. The dishwasher at a restaurant is loaded with the same number of dishes every time it is used. The table below
shows the total number of dishes washed as a function of the number of times the dishwasher is used.
Based on the data in the table, what is the total number of dishes that will have been washed when the dishwasher it
used 9 times? Record your answer and fill in the bubbles on the grid.
Restaurant Dishwasher
Number of
Times Total Number of Dishes
Used
Washed
0|0|0
OO
2
52
4
104
2 2 Ⓡ
O
6
156
8
208
0|0|0|0
OO OOO
010
☺ ☺ ☺
010/0
ololo
oo
O
12. The set of ordered pairs below represents some points on the graph of function f.
{(3, 11), (-1, 3), (5, 15), (-4,-3), (-7, -9)}
What is the parent function of f?
A. y = x
B. y = 2x
C. y = x²
13. What is the range of the function shown below?
f(x)
A. (-7, -2, 0, 5}
B. (-9, -4, -1}
D. {-1}
C. {-9, -7,-4, -2, -1, 0,5}
14. A storm is headed through North Texas. The duration of the storm is measured in hours while the rainfall is
measured in inches as seen in the table below. a) What is the independent part of this situation?
b) What would the domain be for this scenario?
c) What would the range be for this scenario?
1
2
3
Duration of the storm(hrs), x
Amount of rain(inches), y
0.5
1
1.5
15. The time, t, it takes to travel a certain distance varies
inversely as the rate, r. If t= 10h when r = 80km/h,
which equation represents this situation?
16. The length of one edge of a square is given
by 3x2y³. Which answer represents the area
of the square?
800
A. t = 800r
B. t =
C. t=
A. 12x²y³
B. 9x4y⁹
C. 9x¹y6
D. 12x³y¹2
800
+0
oooooo
D. y = √x

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