Math Problem Statement
Population Growth The growth G of a population of lower organisms over a day is a function of the population size n at the beginning of the day. If both n and G are measured in thousands of organisms, the formula is
G= -0.03n exponent 2 plus n. a. Make a graph of G versus n. Include values of n
up to 40 thousand organisms.
b. Calculate G(35) and explain in practical terms what your answer means.
c. For what two population levels will the popula- tion grow by 5 thousand over a day?
d. If there is no population to start with, of course there will be no growth. At what other popula- tion level will there be no growth?
Solution
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Math Problem Analysis
Mathematical Concepts
Quadratic Equations
Population Growth Modeling
Graphing Functions
Formulas
G(n) = -0.03n^2 + n
Quadratic equation: ax^2 + bx + c = 0
Theorems
Quadratic Formula
Suitable Grade Level
Grades 9-12