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OpenStudy (anonymous):
Find the domain of this function: f(x) = 64 ------ sqrt(x-49) a. {x l x > 64} b. {x l x > 8} c. {x l x > 49} d. NONE OF THESE e. {REAL NUMBERS} f. { x l x > 7}
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OpenStudy (anonymous):
x>49 sqrt only defined on positive numbers, so only when x is greater than 49
OpenStudy (anonymous):
whatever makes the denominator 0 (or undefined) is not allowed to be part of the domain.
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