Find the partial derivative.Let z = g(x,y) = 2x + 6x2y2 - 7y2. Find 
.
A. 12yx - 14y
B. 12yx2 - 14y
C. 12yx - 12y
D. 2 + 12yx2
Answer: B
Mathematics
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Use the substitution formula to evaluate the integral.
sec2 2x dx
A. 2e
B. - 
C. 
D. e
Mathematics
Evaluate.
A. 1980 B. 8,145,060 C. 85,140 D. 3,575,880
Mathematics
Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(5
, 5)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rectangular picture frame has a length of l(x) = 2x + 3, and a width of 
Calculate the area of the frame if x = 4 inches.
A. 44 in.2 B. 80 in.2 C. 27 in.2 D. 176 in.2
Mathematics