Find all values of x satisfying the given conditions.y1 = 
, y2 = 
, y3 = 
, and the sum of y1 and 2 times y2 is y3.
A. {3}
B. {0}
C. {-5}
D. ?
Answer: D
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Use logarithmic differentiation to find the derivative of y.y = (x3 + 1)3(x - 1)2x3
A. (x3 + 1)3(x - 1)2x3(3ln(x3 + 1) + 2ln(x - 1) + 3ln x)
B. (x3 + 1)3(x - 1)2x3
C. (x3 + 1)3(x - 1)2x3
D. 
+ 
+ 
Provide an appropriate response.The function P(x) = 0.8x - 80 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find and interpret P(900). Profit Made on Pretzel Sales
A. 820; $820 is the profit the vendor makes from selling 900 pretzels. B. 720; $900 is the profit the vendor makes from selling 720 pretzels. C. 640; $640 is the profit the vendor makes from selling 900 pretzels. D. 900; $900 is the profit the vendor makes from selling 900 pretzels.
Provide an appropriate response. How many cubic yards of sand are in a conical pile of sand at the highway department's snow shed, which has a height of 37' 4" and a diameter of 22' 6" ?
A. 10,867.9 yd3 B. 541.5 yd3 C. 184.9 yd3 D. 14,619.7 yd3
Divide.
A. 0.4 B. 4 C. 1.4 D. 14