Find the total differential of the function.
?
 
?

A.
B.
C.
D.
E.


Answer: C

Mathematics

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Solve the problem.If v = 4i - 4j + k, find a vector perpendicular to both v and i + k.

A. 3i + 2j - 3k B. -4i - 3j + 4k C. 2i + 3j - 2k D. i - j + 3k

Mathematics

Solve the problem. Express your answer in scientific notation, and round to one decimal place. The mass of an electron is approximately 9.11 × 10-28 grams. Find the mass of 813,000,000 electrons.

A. 7.4 × 10-17 grams B. 7.4 × 10-19 grams C. 7.4 × 10-20 grams D. 7.4 × 10-18 grams

Mathematics

Factor completely. If the polynomial cannot be factored, write prime.s2 + 8s + 15

A. (s + 3)(s + 5) B. (s + 15)(s + 8) C. (s + 15)(s - 1) D. (s - 3)(s - 5)

Mathematics

Solve the system of equations by graphing.

A. (-1, -3) B. no solution C. (3, -1) D. (-1, 3)

Mathematics