The following equation represents the number of fish in a pond, F(x), after x number of weeks. F(x) = 500 (1.2)x. How many fish
are in the pond after 4 weeks?
a. 600 fish
b. 1036 fish
c. 2000 fish
d. 2400 fish
How many fish are in the pond after 7 weeks?
a. 600 fish
b. 1036 fish
c. 1791 fish
d. 4200 fish
2 answers:
Answer:
1) d. 2400
2) d.4200
Step-by-step explanation:
As per given data:
F(x) represents number of fish
x represents number of weeks
Relation between F(x) and x is given as
F(x)= 500 (1.2)x
Now part 1:
How many fish are in the pond after 4 weeks=?
x=4
Putting in given equation F(x)= 500 (1.2)x
F(x)= 500(1.2)(4)
= 2400
Now part 2:
How many fish are in the pond after 7 weeks?
x=7
Putting in given equation F(x)= 500 (1.2)x
F(x)= 500(1.2)(7)
= 4200 !
Answer:
Correct choice is b. 1036 fish.
and c. 1791 fish.
Step-by-step explanation:
Given equation is
.
There x represents number of weeks. We need to find about wow many fish are in the pond after 4 weeks.
To find that we will plug x=4 into above formula and simplify




Which is approx 1036
Hence correct choice is b. 1036 fish.
------
We can repeat same process with x=7 for 2nd problem

Hence correct choice is c. 1791 fish.
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