3 x² + y² the direction of (−3, −3). Then, Suppose f(x, y) (a) ▼ ƒ (x, y) (b) ▼ ƒ(1,4) = = = 1/77 (-6i - 24j) (c) ƒu (1, 4) = Du ƒ(1,4) and u is the unit vector in =

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Q: 22. Given the symmetric equations t = - and t = +', find the vector equation of the line.

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Q: Determine the angle that the vector [- /3, – 1] makes with the positive horizontal X - axis

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