I believe it is the second choice.
You can use Desmos to graph these and make your own judgment as to the intercepts and rates of increase/decrease.
The ones with a base < 1 will decrease rapidly, then slowly. The one with a base > 1 will increase slowly, then rapidly. The y-intercept is the multiplier in front of the base.
Answer:
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Step-by-step explanation:

To find f(−1) , substitute the values of x that's - 1 into f(x). That is for every x in f(x) replace it with - 1
That's

We have the final answer as

Hope this helps you
T=3; it takes 3 seconds to reach the max height and 3 seconds to fall back to the ground.
X=4
I have attached a picture showing you how to solve this! :)