Subtract.4 - 10
A. -6
B. -14
C. 14
D. 6
Answer: A
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 3xx2
A. 3xx2 + 1(2 ln 3x ) B. x(2 ln 3x +1) C. xx2 + 1 ln 3x D. 3xx2 + 1(2 ln 3x + 1)
Add the given pair of complex numbers geometrically.z1 = -4 - 4i, z2 = -9i
A. -13 - 4i B. -4 - 13i C. -4 + 5i D. -17i
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.8x + y = 0-8x + y = -16
A. (1, 16) B. (1, -8) C. (-1, -8) D. (-1, 8)
Solve the problem.A rectangular garden is bounded on one side by a house and is to be fenced on the other three sides. Fencing material costs $15 per foot for the side parallel to the house and $30 per foot for the other two sides. What are the dimensions of the garden of largest possible area if $1200 is to be spent for fencing material?
A. 42 ft by 9 ft with the long side parallel to the house B. 36 ft by 12 ft with the long side parallel to the house C. 44 ft by 8 ft with the long side parallel to the house D. 40 ft by 10 ft with the long side parallel to the house