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Study for math finals

Function Notation f(x)=mx+b
Slope Slope of a straight line.
Exponential Decay The rate of decay in a equation
Exponential Growth The rate of growth in a equation
Exponential Function A function of the form y = a·bx where a > 0 and either 0 < b < 1 or b > 1
Independent variable variable that can be alone
dependent variable variable that needs another variable to be.
inequality A mathematical sentence built from expressions using one or more of the symbols <, >, ≤, or ≥.
identify function f(x) = x. More generally, an identity function is one which does not change the domain values at all.
linear equation An equation that can be written in the form "linear polynomial = linear polynomial" or "linear polynomial = constant". The following are examples of linear equations: 2x – 3 = 5, 4a + 9 = 8 – 9a, and 2x + 5y = 1.
All Real Number All numbers on the number line. This includes (but is not limited to) positives and negatives, integers and rational numbers, square roots, cube roots , π (pi), etc. Real numbers are indicated by either or .
Variable A quantity that can change or that may take on different values. Variable also refers to a letter or symbol representing such a quantity.
Absolute value the magnitude of a real number without regard to its sign.
Inequality the relation between two expressions that are not equal
not equal to
> greater than
< less than
domain All the values that go into a function.
Range The set of all output values of a function.
Line of best fit A line on a graph showing the general direction that a group of points seem to be heading.
Created by: RFL