A Mars rover has collected and analyzed several samples from the surface and atmosphere of Mars. NASA has processed most of the data but is looking for help in identifying two of the remaining elements from the samples. They know that both elements are main group elements belonging in either Group 2 or Group 18. Group 2 elements are highly reactive, while Group 18 elements are unreactive. Group 2 elements are also solid at room temperature, while Group 18 elements are gases at room temperature. The following information about unknown Element J and unknown Element Q has just arrived for you to examine. Based on the evidence, write a scientific explanation to justify the periodic table group in which the elements belong. Element JElement Q Mass0.5 g1.2 g Physical State at Room Temperature SolidGas Electrical Conductivity GoodNone Reaction with Oxygen* Yes (forms XO)No Reaction with Chlorine* Yes (forms XCl 2 )No

i feel your pain too because i cant find my dad and hes been missing for 17 years of my life

explanation:

he went to the supermarket with your dad

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .