ANSWER ME QUICK IS Y=4/5(16)^X AN EXPONENTIAL GROWTH OR AN EXPONENTIAL DECAY?

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

This is different from the first one can someone me

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