The Model Describes the Amount of Bacteria in a Petri

question 78

Multiple Choice

The model describes the amount of bacteria in a Petri dish after t hours. Which one of the following written statements best describes this population?

• A) The amount of bacteria decreases by 17% each hour.
• B) The amount of bacteria increases by 117% each hour.
• C) The amount of bacteria decreases by 117% each hour.
• D) The amount of bacteria increases by 17% each hour.
• E) The amount of bacteria increases by 1.17% each hour.

Understand how to make a quadratic expression a perfect square trinomial.

Solve quadratic inequalities.

Identify the effect of parameters on the solutions of a quadratic equation.

Understand the relationship between nominal and real interest rates, including the role of inflation.

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Definitions:

Exponential Decay

A process of reduction in quantity where the decrease is proportional to the current value, often used in science and finance to describe rapidly decreasing phenomena.

Compound Interest

The calculation of interest for deposits or loans that takes into account both the starting principal and previously accrued interest.

Exponential Decay

A process described by a decrease in quantity at a rate proportional to its current value, often observed in radioactive decay and depreciation of assets over time.

Complex Arithmetic

Mathematical operations that involve complex numbers, including addition, subtraction, multiplication, and division, where complex numbers are numbers with both real and imaginary parts.