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I need to know if it’s a function and explain how it is. please help!
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Evaluate the expression for the given value of the variable 2×(c2-5) for c=4
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1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?
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Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin
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Mathematics, 22.06.2019 01:30
Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.
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I need to know if it’s a function and explain how it is. please help!
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