we are given
initial amount =1800
so,
P=1800
doubles in value every 7 years
so, we can find function

now, we can plug P=1800

now, we can plug t=42

.............Answer
Answer: y = 0.5x - 2
Step-by-step explanation: 0.5x = half of a number X
Answer:
u = 135
hoped i helped u
Step-by-step explanation:
Answer:
I just did for your previous posting.