Find the partial derivative.Let z = f(x, y) = 6(x + 7y - 8)2. Find 
.
A. 42x + 294y
B. 84x + 588y + 672
C. 42x + 294y - 336
D. 84x + 588y - 672
Answer: D
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 102 in. What dimensions will give a box with a square end the largest possible volume?
A. 34 in. × 34 in. × 34 in. B. 17 in. × 17 in. × 34 in. C. 17 in. × 34 in. × 34 in. D. 17 in. × 17 in. × 85 in.
Round the addend as indicated before performing the addition.Estimate the sum by rounding each number to the nearest ten.89 + 19 + 66 + 88 + 22
A. 300 B. 280 C. 284 D. 290