13 terms

stacyleibyTEACHER

exponential function

A function in the form y=ab^x, where x is a real number, a≠0, b>0, and b≠1

y-intercept

The point at which a graph crosses or touches the y axis

growth factor

The base in an exponential function if the base is greater than 1

Decay factor

The base in an exponential function if the base is between 0 and 1

exponential growth

Growth whose rate becomes ever more rapid in proportion to the growing total number or size

half life

The time it takes for the radioactivity of a specified isotope to fall to half of its original value

quarterly

4 times per year

monthly

12 times per year

Compound interest

Interest added to the principal of a deposit or loan so that the added interest also earns interest from then on

principal

The amount of money that is lent or invested

Euler's number

An irrational number designated by e, whose value is approximately 2.718.

horizontal asymptote

A horizontal boundary line that an exponential function approaches

depreciation

The decline in an item's value resulting from age or wear