Question

1. Determine a formula for the exponential function of the form y=C·b^x that passes through the...

1. Determine a formula for the exponential function of the form y=C·b^x that passes through the points (?1, 4) and (2, 256). If necessary, round the value of b to one decimal place.

A)

y=4·64^x
B)

y=4·8^x
C)

y=16·8^x
D)

y=4·84^x
E)

y=16·4^x
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