Question
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Given:
5.2.1 Determine the coordinates of the -intercept of .
5.2.2 Explain why does not have an -intercept.
5.2.3 Draw a sketch graph of , clearly showing all asymptotes, intercepts with the axes and at least one other point on .
5.2.4 Describe the transformation from to if .

Ask by Reese Hobbs. in South Africa
Jan 23,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

  • The -intercept of is at .
  • does not have an -intercept because is always greater than 0.
  • The graph of has a horizontal asymptote at and passes through points like and .
  • Function is obtained by shifting vertically upward by 7 units.

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Bonus Knowledge

To find the -intercept of , evaluate :
So, the coordinates of the -intercept are .
The function approaches 1 as because gets closer to 0, but it will never reach 0. Consequently, will never cross the -axis since it is bounded below by 1 and will never equal 0.
To sketch the graph of , start with the horizontal asymptote at . Mark the -intercept at . As decreases, will increase toward infinity. You can choose another point, like , to illustrate the function’s behavior.
Transforming from to involves analyzing the function alteration. The function can be rewritten, revealing two transformations: first, an upward shift by 8 units and then applying the same vertical scaling of 4. Hence, the core behavior of rises significantly compared to .

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