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G L Determine, giving reasons for EACH of your answers, the value of (i) x (ii) y (iii) W 4. Year 1990 1991 Cost ($) 10.000 30.000 1992 36.000 30.000 1993 1994 34.000 1995 50 000 (b) (a) ( Total The table above shows the cost of a plot of land over a period of time. (a) Calculate the mean cost of a plot of land over the period from 1990 to 1995 to the nearest thousands of dollars. (b) (i) On a graph page, using a scale of 2 cm to 1 year on the horizontal axis and 1 cm to represent $ 10 000 on the vertical axis, draw a line graph to represent the data. From your graph: (ii) (iii) Determine the period during which the cost of the plot of land showed the greatest increase. State the year during which the cost of the plot of land decreased. The function fis defined as 2x + 7 f(x) 5 (i) Find the value of f(4) + f(-4). (ii) a) Calculate the value of x for which f(x) = 9. b) Hence or otherwise, determine the value of f'(9). T The graph below shows two straight lines, L, and L2. L₁ intercepts the x and y axes at (4,0 and (0, 2) respectively. L2 intercepts the x and y axes at (1.5, 0) and (0, - 3) respectively.

G L Determine, giving reasons for EACH of your answers, the value of (i) x (ii) y (iii) W 4. Year 1990 1991 Cost ($) 10.000 30.000 1992 36.000 30.000 1993 1994 34.000 1995 50 000 (b) (a) ( Total The table above shows the cost of a plot of land over a period of time. (a) Calculate the mean cost of a plot of land over the period from 1990 to 1995 to the nearest thousands of dollars. (b) (i) On a graph page, using a scale of 2 cm to 1 year on the horizontal axis and 1 cm to represent $ 10 000 on the vertical axis, draw a line graph to represent the data. From your graph: (ii) (iii) Determine the period during which the cost of the plot of land showed the greatest increase. State the year during which the cost of the plot of land decreased. The function fis defined as 2x + 7 f(x) 5 (i) Find the value of f(4) + f(-4). (ii) a) Calculate the value of x for which f(x) = 9. b) Hence or otherwise, determine the value of f'(9). T The graph below shows two straight lines, L, and L2. L₁ intercepts the x and y axes at (4,0 and (0, 2) respectively. L2 intercepts the x and y axes at (1.5, 0) and (0, - 3) respectively.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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G L Determine, giving reasons for EACH of your answers, the value of (i) x (ii) y (iii) W 4. Year 1990 1991 Cost ($) 10.000 30.000 1992 36.000 30.000 1993 1994 34.000 1995 50 000 (b) (a) ( Total The table above shows the cost of a plot of land over a period of time. (a) Calculate the mean cost of a plot of land over the period from 1990 to 1995 to the nearest thousands of dollars. (b) (i) On a graph page, using a scale of 2 cm to 1 year on the horizontal axis and 1 cm to represent $ 10 000 on the vertical axis, draw a line graph to represent the data. From your graph: (ii) (iii) Determine the period during which the cost of the plot of land showed the greatest increase. State the year during which the cost of the plot of land decreased. The function fis defined as 2x + 7 f(x) 5 (i) Find the value of f(4) + f(-4). (ii) a) Calculate the value of x for which f(x) = 9. b) Hence or otherwise, determine the value of f'(9). T The graph below shows two straight lines, L, and L2. L₁ intercepts the x and y axes at (4,0 and (0, 2) respectively. L2 intercepts the x and y axes at (1.5, 0) and (0, - 3) respectively.
Transcribed Image Text:G L Determine, giving reasons for EACH of your answers, the value of (i) x (ii) y (iii) W 4. Year 1990 1991 Cost ($) 10.000 30.000 1992 36.000 30.000 1993 1994 34.000 1995 50 000 (b) (a) ( Total The table above shows the cost of a plot of land over a period of time. (a) Calculate the mean cost of a plot of land over the period from 1990 to 1995 to the nearest thousands of dollars. (b) (i) On a graph page, using a scale of 2 cm to 1 year on the horizontal axis and 1 cm to represent $ 10 000 on the vertical axis, draw a line graph to represent the data. From your graph: (ii) (iii) Determine the period during which the cost of the plot of land showed the greatest increase. State the year during which the cost of the plot of land decreased. The function fis defined as 2x + 7 f(x) 5 (i) Find the value of f(4) + f(-4). (ii) a) Calculate the value of x for which f(x) = 9. b) Hence or otherwise, determine the value of f'(9). T The graph below shows two straight lines, L, and L2. L₁ intercepts the x and y axes at (4,0 and (0, 2) respectively. L2 intercepts the x and y axes at (1.5, 0) and (0, - 3) respectively.
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