Question: linear 4. (2 points) Consider the function of n variables given by f(X) = 3x all2 (2) where a is a constant vector in R.

linear

4. (2 points) Consider the function of n variables given by f(X) = \"3x all2 (2) where a is a constant vector in R". Calculate V f using the strategy illustrated in example 4 from lecture 15. Show all work. 5. (2 points) Does the linear system [10 0] [1] Iii: Ii] (3) |13 9|X_|3| 1416 8 i1525J i12| have a unique least squares solution? Explain

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