Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab
B. 8ab
C. 4a + 4b
D. 4a + b
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y) = xye-y
A. 
= ye-y; 
= xe-y(y - 1)
B. 
= ye-y; 
= xe-y
C. 
= ye-y; 
= xe-y(1 - y)
D. 
= ye-y; 
= - xye-y
Use the brute force algorithm to find a minimum Hamilton circuit for the graph. Also, determine the total weight of the minimum Hamilton circuit.
A. Minimum Hamilton circuit is A ? B ? E ? D ? C ? A; weight = 25 B. Minimum Hamilton circuit is A ? B ? E ? D ? C ? A; weight = 24 C. Minimum Hamilton circuit is A ? C ? D ? B ? E ? A; weight = 25 D. Minimum Hamilton circuit is A ? B ? C ? D ? E ? A; weight = 28
Find the base. Round to the nearest hundredth unless otherwise indicated.3
% of what number of coats is 51 coats? Round to the nearest whole number.
A. 146 B. 2 C. 14,570 D. 1457
Find the natural domain of the function.f(x) = 
A. {x: x ? -9} B. {x: x ? 9} C. all real numbers D. {x: x > 9}