Square Root Functions Answers
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1
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Which equation is the inverse of 2(x – 2)2 = 8(7 + y)?
A
–2(x – 2)2 = –8(7 + y)B
y = one-fourth x squared minus x minus 6
C
y = negative 2 plus-or-minus StartRoot 28 + 4 x EndRoot
D
y = 2 plus-or-minus StartRoot 28 + 4 x EndRoot
2
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If , which inequality can be used to find the domain of f(x)?
A
StartRoot one-half x EndRoot greater-than-or-equal-to 0
B
One-half x greater-than-or-equal-to 0
C
One-half x minus 10 greater-than-or-equal-to 0
D
StartRoot one-half x minus 10 EndRoot + 3 greater-than-or-equal-to 0
3
Which equation can be simplified to find the inverse of y = x2 – 7?
A
x = y squared minus one-seventh
B
StartFraction 1 Over x EndFraction = y squared minus 7
C
x = y2 – 7D
–x = y2 – 7Did you find these answers helpful?
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