Find the partial derivative.Find 
for z = f(x, y) = 4x2 - 11xy + 4y3 .
A. - 11x + 12y2
B. 8x - 11y
C. 8x + 11y2
D. -11x - 12y
Answer: B
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A. 17.2 ft B. 37 ft C. 12.2 ft D. 74 ft
Solve the problem.Henry is designing a flag that has one 2
-inch gold stripe, followed by one 3
-inch white stripe, followed by one 1
-inch gray stripe. How wide is one series of three stripes?
A. 7
inches
B. 7
inches
C. 6
inches
D. 7 inches
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Find dy for the given values of x and dx.y = x + x2, x = 8, dx = 0.02
A. 0.3404 B. 0.34 C. 0.272 D. 0.40848