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determine the exponential regression for the data set. which exponential equation best approximates the data set?

{(1, 4), (2, 12), (3, 32), (4, 60)}
a) y = 1.3(1.5)x
b) y = 1.3(2.5)x
c) y = 1.8(2.5)x
d) y = 2.3(3.5)x

C) y = 1.8(2.5)^x

Use the exponential regression function on a calculator to find a and b of the equation y = ab^x.

answer: approximately 206 bones

i hope this u out a branlist and a would be greatly appreciated :

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this