Answer:
C) 6 inches
Step-by-step explanation:
Given function:

The function compares plant height in inches to the age of plant in weeks.
So, we can say
represents height of plant in inches.
represents age of the plant in weeks.
In order to predict the height of the plant in 5 weeks, we will plugin
in the given function and evaluate 
⇒ 
⇒ 
⇒
inches
Thus the approximate height of plant in 5 weeks would be
inches
Answer:
7 years
Step-by-step explanation:
Use the formula I=Prt
Convert 4% to a decimal. 4% = 0.04
1428 = 5100(.04)t
1428 = 204t
1428/204 = 204t/204
t = 7 years
Just google the angles corresponding what do they mean and look at examples