Answer:
After 1 years: 20235.396, which can be rounded to 20235.40
After 2 years: 21523.79
After 5 years: 25388.98
After 10 years: 31830.96
The money doubles after 15 years.
f(-4) = -12
Step-by-step explanation:
To calculate f(-4), we need to substitute x in our equation above with -4:
Note that 2*(-4) = -8
Answer: f(-4) = -12