Answer:

Step-by-step explanation:
The exponential function looks like the following:
.
If the function passes through the point (2, 80), then:
→
Solving for 'b':
→
Then, the equation of exponential function that passes through the point (2, 80) is: 
Answer:
2 seconds
Step-by-step explanation:
You could set 3t + 16t^2 = 70 and solve for t.
OR
You could plot it on Desmos.
Answer:
IM preeetty sure the answer is x=4 and y=26 so the solution would be (4,26)
Step-by-step explanation:
hope this helps!!! <333