7. For the sinusoidal function given below, find: -120° 3- 7⁰ A 20° 240° 0

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A: Identifying the domain and range of g

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A: Solved below.

Q: (d) (i) Factorise the quadratic expression x² + 3x - 28. (ii) Use your answer to part (d) (i) to…

A: d.  (i)The expression is given by,     x2+3x-28=x2+7x-4x-28=x(x+7)-4(x+7)=(x+7)(x-4)

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A: fx=x2-2x-3 To find the root of fx=0 in the interval 2, 5.To use False position method : xroot,…

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Q: Question #2 for this question please. Same concept.

A: Solving problem 2

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A: Recall: A field has no proper ideals.

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A: Given

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