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Mathematics, 15.11.2019 22:31 eli761029
Let a = r β {β2}, b = r β {1} and f : a β b be given by the rule f(x) = x + 1 x + 2 . (a) prove f is one-to-one. (b) prove f is onto b. (comment: donβt forget that if given b β b, you construct a such that f(a) = b, you must also show a β a.)
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Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)
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Mathematics, 21.06.2019 22:30
Which statements about the system are true? check all that apply. y =1/3 x β 4 3y β x = β7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same yβintercept. the equations represent the same line. the lines intersect.
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Let a = r β {β2}, b = r β {1} and f : a β b be given by the rule f(x) = x + 1 x + 2 . (a) prove f i...
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