Question

Which points are on the graph of f(x) = 26.5)^x? (-1,-1) (2,2.25) (-2,-8) (0,2) (1,1)

Answer 1

f(x) = 2•(0.5)^ x

Then calculate

2•(0.5)^ (-1)= 4. NOT VALUE

2•(0.5)^(2) = 2•0.25 = 1. NOT VALUE

2•(0.5)^(-2)= 8. IS NOT

2•(0.5)^(0) = 2. RIGHT VALUE

2•(0.5)^(1)= 1. Right VALUE