select the equation of the radical function that is a transformation of y = square root of x , in the domain {x I x >= 2, x €(is an element of) R} with a vertical stretch by a factor of 3
a. y = 3 . square root of (x-2)
b. y = 1/3 . square root of (x-2)
c. y = 3 . square root of (x+2)
d. y = 1/3 . square root of (x+2)
which is it. detail calculation please. thank you
radical function help please?
2015-11-25 5:53 pm
回答 (2)
2015-11-25 6:22 pm
✔ 最佳答案
The domain limitation suggests you are looking for something of the form √(x-2). Anything of the form √(x+2) will have a different domain limitation.The vertical stretch of 3 tells you that there must be a multiplying factor of 3, corresponding to selection (a).
2015-11-25 5:54 pm
mahboobie
收錄日期: 2021-04-21 15:25:02
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