Perform the operations indicated. Write your answer in simplest form.
A. -9
B. Undefined
C. 0
D. 9
Answer: C
Mathematics
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Use implicit differentiation to find dy/dx.x = sec(10y)
A. 
sec(10y) tan(10y)
B. cos(10y) cot(10y)
C. 
cos(10y) cot(10y)
D. 10 sec(10y) tan(10y)
Mathematics
Graph the parabola and label the vertex. Find the y-intercept.y = 
x2 - 5
A. vertex (0, 5), y-intercept (0, 5)
B. vertex (0, 5), y-intercept (0, 5)
C. vertex (0, -5), y-intercept (0, -5)
D. vertex (0, -5), y-intercept (0, -5)
Mathematics
Find the absolute value.?-13?
A. 13 B. 0 C. -13 D. 26
Mathematics
Solve the problem.A jet plane moving at constant speed travels 1000 miles with the wind and then 1200 miles against the wind. If the speed of the wind is 50 mph and the total flight takes 5 hours, find the speed of the plane.
A. 500 mph B. 100 mph C. 400 mph D. 450 mph
Mathematics