Use the factorization A=QR to find the least-squares solution of Ax = b. 1 22 A= b= -22 23 23 -22 1 58 7 12 1 1 22 4 1 05 22 1 2 2 12 (Simplify your answer.) 30/04/2023 16:10

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Q: Let f(x) = x³ + 7. Find an equation for f-¹(x) O f¹(x)=√x+7 O None of these O f¹(x)=√x - 7

A: The function is: fx=x3+7. To Do:We have to find an equation for f-1x.

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A: A=931366164818191100101b=7951-18-57-88

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Q: 11 7 7 5) 711 7 7 711

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Q: The best-fit quadratic is y = (round your coefficients to 2 decimal places)

A: Input 3 6 8 9 10 Output 79 51 -18 -57 -88

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Q: #4. Find the residue of the poles of the following functions (-22²-1)³ (a) 1+z3 (b) (C) Z e Z²+11² 2

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