Hey, can someone help me with these two problems, I'm struggling a lot... THANK YOU!

1. Suppose a population of 160 crickets doubles in size every month. The function f(x)=160 times 2^x gives the population after x months. How many crickets will there be after 2 years?
-a)2,684,343,560
-b)640
-c)7,680
-d)655,360

2. Suppose an investment of $2,300 doubles in value every decade. The function f(x)=2,300 times 2^x gives the value of the investment after x decades. How much is the investment worth after 2 decades?
-a)$2,355,200
-b)$92,000
-c)$46,000
-d)$9,200

Question

Hey, can someone help me with these two problems, I'm struggling a lot... THANK YOU!

1. Suppose a population of 160 crickets doubles in size every month. The function f(x)=160 times 2^x gives the population after x months. How many crickets will there be after 2 years? 
-a)2,684,343,560 
-b)640
-c)7,680
-d)655,360

2. Suppose an investment of $2,300 doubles in value every decade. The function f(x)=2,300 times 2^x gives the value of the investment after x decades. How much is the investment worth after 2 decades? 
-a)$2,355,200
-b)$92,000
-c)$46,000
-d)$9,200

tkhunny · Answer

1) x = 24
2) x = 2

You just have to read, read again, and then reread until you see what it is asking.