Please help im very confused :’)

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.