Question

Find the value of a if the graph of the exponential function y = a · 2xpasses through the point (3, 128).


Select one:


a. 2

b. 4

c. 8

d. 16

Answer 1

One sec

Answer 2

\[y=a\times 2^x\\
128=a\times 2^3\] solve for \(a\)

Answer 3

I got it 16

Answer 4

me too

Answer 5

thnx

Answer 6

yw