
Mark M. answered 01/26/21
Mathematics Teacher - NCLB Highly Qualified
f(x) = bx
4 = b-2
2 = b-1
2 = b-1 by dividing
1/2 = b
Christina B.
asked 01/26/21If the function is exponential, what is its constant ratio?
Mark M. answered 01/26/21
Mathematics Teacher - NCLB Highly Qualified
f(x) = bx
4 = b-2
2 = b-1
2 = b-1 by dividing
1/2 = b
Take the ratio of any two consecutive y values, such as 2/4, 1/2, 0.5/1. They all give the same value, the constant ratio.
Philip P.
01/26/21
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Mark M.
Taking the ratios of consecutive y values is correct method, yet they should be 2/4, 1/2, 1/0.5 See me proof below.01/26/21