Answer:
neither
Step-by-step explanation:
there is no constant progression or degression
Answer:
Step-by-step explanation:
The exponential function is modeled using the equation:
Where the plus sign indicates growth and the negative sign indicates exponential decay.
- r=Decay/Growth constant
- t=time
- is the starting value.
For an exponential function has a starting value of 16 and a decay rate of 0.52%.
This gives:
The function that models this situation is:
I just used photomath, here's the answers.
Let the first term be a, 4th term be , difference between terms be d, and sum of first nine terms be .
= a + 3d
32 = 11 + 3d
3d = 32 - 11
3d = 21
d = 7
=
=
= 9(11+28)
= 9(39)
= 325
Sum of first nine terms is 351.