Find y '.y = (x2 - 5x + 2)(5x3 - x2 + 5)
A. 25x4 - 104x3 + 45x2 + 6x - 25
B. 5x4 - 100x3 + 45x2 + 6x - 25
C. 25x4 - 100x3 + 45x2 + 6x - 25
D. 5x4 - 104x3 + 45x2 + 6x - 25
Answer: A
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
D. 
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 77°?
A. 11 a.m. and 12 p.m. B. 11 a.m. and 12 p.m. and 3 p.m. C. 12 p.m. and 3 p.m. D. 2 p.m.
Mathematics
Express as a product.ln y72
A. y ln 72 B. ln y ? ln 72 C. ln y ? ln y D. 72 ln y
Mathematics
Find the nth term of the geometric sequence.5, -10, 20, -40, 80
A. an = 5 ? (-2)n B. an = 5 ? (-2)n-1 C. an = 5 ? (-2)n D. an = a1 - 2n
Mathematics