Find the domain of the rational function. Write your answer in set-builder notation.h(x) = 

A.
B.
C.
D.


Answer: A

Mathematics

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Plutonium-239 is a primary component of modern nuclear weapons.  If  there is initially 6 kilograms, then after t thousand years, the amount remaining is given by . Over what time range  will there be between 1 and 2 kilograms of plutonium-239 remaining? Round your answer to two decimal places.                

A. From 38.36 to  62.56 thousand years B. From 20.27 to 24.77 thousand years   C. Up to  62.56  thousand years D. Up to 20.27 thousand years

Mathematics

Use the elimination method to solve the system of linear equations. 3x - 2y = 4-6x + 4y = 7

A. (1, 2) B. Infinite number of solutions C. (2, 1) D. No solution

Mathematics

Find all the first order partial derivatives for the following function.f(x, y) = sin2 (5xy2 - y)

A.  = 2sin (5xy2 - y) cos (5xy2 - y);  = (20x - 2) sin (5xy2 - y) cos (5xy2 - y)
B.  = 10y2sin (5xy2 - y) cos (5xy2 - y);  = (20xy - 2) sin (5xy2 - y) cos (5xy2 - y)
C.  = 2sin (5xy2 - y) cos (5xy2 - y);  = 2sin(5xy2 - y) cos(5xy2 - y)
D.  = 10y2sin (5xy2 - y) cos (5xy2 - y);  = 2sin (5xy2 - y) cos (5xy2 - y)

Mathematics

A woman rides a bicycle for 2 hours and travels 26 kilometers (about 16 miles). Find the angular velocity of the wheel if the radius is 30 centimeters. ? If the answer needs rounding, round it to the whole number. ? __________ rad/min

What will be an ideal response?

Mathematics