Pre-calculus
Published on Dec 16, 2015
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Pre-calculus
semester 1 vocabulary
Sine Wave
a waveform that represents periodic oscillations
Sine Wave Example
Cosine Wave
basically a sine wave but each point occurs exactly ¼ cycle earlier
Cosine Wave Example
Exponential Function
A function that determines if something will increase or decrease
ƒ(x) = b^x or ƒ(x) = a
Logistic Function
Basically an exponential function but with a domain, range, and carrying capacity (K)
basically an Exponential Function with a limit
Exponential Function Base
The variable is the exponent, Base must always be positive { e^k-x }
f(x) = b^k(x)
Irrational Root Theorem
:)
Multiplicity
The number of times a certain factor occurs
Imaginary Root Theorem
:)
Rational Zeros Theorem
Long Division
arithmetical division in which the divisor has two or more figures
Synthetic Division
Synthetic division is a shorthand, or shortcut, method of polynomial division when dividing by a linear factor
Remainder Theorem
if f(x) is a polynomial in x then the remainder on dividing f(x) by x − a is f(a)
The Natural Log Function
the inverse function of the exponential function
