Y= 4(0.95^t, is this exponential growth or exponential decay?

The increase of pollutants from in mexico has raised concerns about garage to health and the environment

What effect has the drug trade had on some governments in middle and south america? a. it has funded political instability. b. many nations have created democratic governments. c. many governments have allowed the drug trade to fund local programs. d. it has funded political stability.

Ijust need the answers, this course is killing me