Which of the following is the scaling factor a of the function f(x) = 3|x|?
Asked by maham237 @ in Mathematics viewed by 315 People
Which of the following is the scaling factor a of the function f(x) = 3|x|?
•-1
•-3
• 1
• 3
Answered by maham237 @
Answer:
Last option: 3
Step-by-step explanation:
The following are some transformations for a function f(x):
1) If and
, then this function is stretched vertically by a factor of "a".
2) If and
, then this function is compressed vertically by a factor of "a".
Therefore, given the function , we can observe that the factor "a" is:
Then:
This means that then this function is stretched vertically by a factor of 3.
Therefore, the scaling factor is 3.
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