Hello, how to do 15(d)? :)
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Mathematics, 21.06.2019 15:30
The function Æ’ is defined by Æ’(x) = (x + 3)(x + 1). the graph of Æ’ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of Æ’?
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Mathematics, 21.06.2019 16:50
Which of the following points is collinear with (-2,1) and (0,3)
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Mathematics, 21.06.2019 22:00
If tan2a=cot(a+60), find the value of a, where 2a is an acute angle
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