AA C&C FINAL EXAM Fall '24

Front

What is the average lifespan of tigers in a particular zoo?

Back

22.4 years.

Front

What is the standard deviation of the lifespan of tigers in a particular zoo?

Back

2.7 years.

Front

What percentage of tigers live between 17 and 25.1 years?

Back

81.5%.

Front

How do you calculate the population of fish after a certain number of years with a percentage decrease?

Back

Use the formula: Final Population = Initial Population * (1 - rate)^years.

Front

If a population of fish starts at 4,200 and decreases by 7% per year, what is the population after 8 years?

Back

2350.

Front

What is an extraneous solution in the context of radical equations?

Back

An extraneous solution is a solution that does not satisfy the original equation.

Front

Back

x = -5.

Front

What is the general form of an exponential decay function?

Back

y = a(1 - r)^t, where a is the initial amount, r is the rate of decay, and t is time.

Front

Back

It represents an exponential decay function that is reflected and shifted down.

Front

How do you find the quotient of two rational expressions?

Back

Multiply the first expression by the reciprocal of the second expression.