Square Root Functions Pre-Test

7 September 2022
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7 test answers

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question
x = 2y2
answer
Which equation can be simplified to find the inverse of y = 2x2?
question
y=2+√28+4x
answer
Which equation is the inverse of 2(x - 2)2 = 8(7 + y)?
question
0
answer
What is the domain of the function y=√x +4?
question
x>0
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What is the domain of the square root function graphed below?
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x = y2 - 7
answer
Which equation can be simplified to find the inverse of y = x^2 - 7?
question
y= +-√x-1 / 4
answer
Which equation is the inverse of y = 16x2 + 1?
question
The x-term inside the radical has a negative coefficient.
answer
If the domain of the square root function f(x) is x<7, which statement must be true?