Perform the indicated operations and simplify the result. Leave the answer in factored form.

A.
B. x - 4
C.
D. x + 4


Answer: C

Mathematics

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Find  by using the Chain Rule. Express your final answer in terms of t.w = x + tan-1(xy), x = t + 2, y = 3t2

A.
B. 1 + 
C. 1 - 
D. 1 + 

Mathematics

Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 

A. f(x) = , g(x) = 2
B. f(x) = , g(x) = 2x + 10
C. f(x) = 2, g(x) = 
D. f(x) = , g(x) = 2x + 10

Mathematics

Solve the problem.Find the extreme values of    subject to    and  

A. Maximum:   at    minimum: -  at   
B. Maximum:   at    minimum: -  at   
C. Maximum:   at    minimum: -  at   
D. Maximum:   at    minimum: -  at   

Mathematics

Evaluate the double integral ?  ?  for the given function f(x, y) and the region R. ?  f(x, y) = 6x + 12y; R is bounded by x = 1, x = 3, y = 0 and y = x + 1. ? 

A.
B.
C.
D.

Mathematics