Find the root. Assume that all variables represent non-negative real numbers. If the root is not a real number, so state.

A. y10
B. y
C. 5
D. y5


Answer: D

Mathematics

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Solve the problem. Round unit depreciation to nearest cent when making the schedule, and round final results to the nearest cent. A construction company purchased a piece of equipment for $1710. The expected life is 7000 hours, after which it will have a salvage value of $280. Find the amount of depreciation for the first year if the piece of equipment was used for 1600 hours. Use the units-of-production method of depreciation.

A. $320.00 B. $186.67 C. $228.00 D. $390.86

Mathematics

Write as an addition problem and find the sum.Susan lost 5 pounds the first week, gained 3 pounds the second week, and lost 2 pounds the third week. What was her net gain or loss?

A. 5 + -3 + 2 = 10 pounds
B.  + 3 + -2 = 4 pounds
C. 5 + -3 + 2 =  pounds
D.  + 3 + -2 =  pounds

Mathematics

Simplify the radical. Assume that all variables represent positive real numbers.- 

A.
B.
C. - 
D. Not a real number

Mathematics

Sketch by hand the graph of the function.f(x) = log3 x

A.

B.

C.

D.

Mathematics