If f(x, y)= xe2y +y, evaluate grad f •dr where C is the straight line joining the point (2,0) to the point (3,0). (A) -1 (B) -3 (C) 1 (D) 0 (E) -2

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Q: 4.2 Linear Congruences 161 6. For which integers c, 0 sc< 30, does the congruence 12x =c (mod 30) ha...

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