Identify the exponential function of the form

f(x) =a(2x) +bwhose

graph is shown in the figure.

a.f(x) = 3(2x)

b.

f(x) = 2x− 3

c.

f(x) = 2(2x) − 4

d.f(x) = 2x− 2

The graph is attached a a work file.

thanks for any help