Math Models Semester Exam

A correspondence between an input(x) variable and an output(y) variable that assigns a single, unique output value (y) to each input value (x) is called ___.

• Variable

• Function

• Formulas

• Scale Factors

• Exponential Function

• Quadratic Function

• Linear Function

• None of them

• Quadratic Function

• Linear Function

• Exponential Function

• None of them

• Exponential Function

• Quadratic Function

• Linear Function

• None of them

The original principal amount thereof plus all accrued and compounded to the particular date of calculation is called ___.

• Annual Percent Rate (APR)

• Stocks

• Bonds

• Compound Amount

___ is used to determine the quotient between the borrower’s housing expense by the pre-tax income.

• Bonds

• Compound Amount

• Life Insurance

• Stocks

What is the difference between an employee’s gross pay and net pay is that gross pay is the total amount received ___ to deductions.

• Before

• After

When a quantity increases by a specified percentage, the ratio of its new value to the original value is called ___.

• Doubling Time

• Growth Factor

• Decay Factor

• Half-Life

When a quantity decreases by a specified percentage, the ratio of its new value to the original value is called ___.

• Growth Factor

• Half-Life

• Doubling Time

• Decay Factor

An exponential function is the time it takes for an output to double is called ___.

• Doubling Time

• Half-Life

• Decay Factor

• Growth Factor