Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u(u - 1), u = x2 + x
A. 2x2 + 4x
B. 2x2 + 4x + 1
C. 4x3 + 6x2 - 1
D. 4x3 + 6x2 - 2x
Answer: C
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Solve the problem.Two friends are planning to meet between 2:00 pm and 3:00 pm. They agree that whoever arrives first will wait only 10 minutes and then leave. Letting 0 represent 2:00 and 60 represent 3:00, graph the possible times when the friends will actually meet and when their total arrival time (i.e. time between 2:00 and the arrival time for each) is between 50 and 70 minutes.
A. 
B. 
C. 
D. 
Graph the circle. State the center and radius of the circle.(x + 3)2 + (y - 6)2 = 4
A. center (-3, -6); r = 2
B. center (3, 6); r = 2
C. center (3, -6); r = 2
D. center (-3, 6); r = 2
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log17
A. 
log17mn - 
log178
B. 
log17m + 
log17n - log178
C. 
log17m ? 
log17n ÷ 
log178
D. 
log17m + 
log17n - 
log178
Solve the problem.The NCAA Division 4 women's champion for the 400-m dash in 1998 was Sally Sprintalot of World State University. Her winning time was 4.79 sec. What was her rate in meters per second?
A. 81.51 m per sec B. 85.51 m per sec C. 1916.00 m per sec D. 83.51 m per sec