The number of fish, P, in a pond after t years is given by 120 1+ 4e-0.7t P = (a) Find the fish population in the pond at 3 years, and include units with your answer. Please circle you final answer. (b) Find the rate at which the fish population is growing at 3 years, and include units with your answer. Please circle your final answer.

percentage change, explain this to me.

The Rule of 70 says that the time necessary for an investment to double in value is approximately  70/r,  where r is the annual interest rate entered as a percent. Use the Rule of 70 to approximate the times necessary for an investment to double in value when r = 5% and r = 7%.

i %3D tind (x)

The number of dislocated electric impulses per cubic inch in a transformer when lightning strikes is given by D = 4200(3), where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 4. Write your answer in complete sentence form and include correct units.

Sesc(3x) cof(3x) dx = %D

The number of human heart stem cells n after t hours can be modeled by n(t) = 1000 · 2*/4 Find the number of cells after 17 hours. Round your answer to the nearest whole number.

A sky diver falls 200 meters in 20 seconds. He starts at 0 when he jumps out of the plane. Calculate the rate of change.

HANDWRITTEN WITH PROPER STATEMENT EXPLAINATION AND PROPER VISIBLE SIGN