Definitions
Define Complex Number
What is a number with real and imaginary numbers together
For a period of time, E. Coli bacteria in a culture grows exponentially. If the continuious growth rate is 1% per minute and the current population is 166.0 million, what will the population be 7 minutes from now?
What is 1660.01x7= 178.0million
In (-4d + 9) = (-5b - 1)
What is -10
Define Imaginary Numbers
What is created to simplify the square root of negative numbers
What is 1866e ^0.02 x 7 * = 2,146
log 4x = log (x+5)
What is 5/3
What is a function that is set equal to zero
For tax purposes, a car rental company assumes each car in their fleet depreciates by 8% per year. If the inital value of a car is $22,000.00, what will the value be when the car is 8 years old?
In (-x + 10) = In 3x
What is 5/2
Define Zeros
What is where a function crosses the x-axis
A saving account balance is compounded annually. If the interest rate is 4% per year and the current balance is $1,269.00, what will the balance be 8 year from now?
What is 1269 x 1.04 ^8* = $1,736.71
log 3n = log (2n + 2)
What is 2
Define Roots
What is the solution(s) of a function
An employee receives a 3% raise once per year year. If the employee's initial salary is $58,800.00, what will the employee's salary be after 9 years?
What is 58800 x 1.039 =$76,720.66
log 39
What is 1.591