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Earn +20 ptsQ: What is the domain of x squared plus nine?
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What is the domain of y equals x squared plus nine?
all real numbers
What is the domain of x squared plus y squared equals thirty six?
The graph is a circle with a radius of 6, centered at the origin
What is the square root of x squared minus fourteen x plus forty nine?
x-7
What is the range of the equation y equals X squared plus 6?
The answer depends on the domain for x. For example, if the domain is x = 7, then the range is 55. If the domain is all Real numbers, then the range is y >= 6.
X squared plus nine x plus 20 equals 0?
x2 + 9x + 20 = 0 ∴(x + 4)(x + 5) = 0 ∴x ∈ {-5, -4}
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