Function, each input has exactly one output, Domain, the set of all inputs x's, Range, the set of all outputs y's, f(x)<0, moving from left to right the x intervals where the outputs are below the x axis (negative) ANSWER ONLY WITH X'S , f(x)>0, moving from left to right the x intervals where the outputs are above the x axis (positive) ANSWER ONLY WITH X'S, f(x)=0, Zeros; x intercepts. The x values that produce an output of zero, relative max, a location where the function changes from increasing to decreasing, relative min, a location where the function changes from decreasing to increasing, integers, {...-2,-1,0,1,2....}, Rational numbers, numbers that either terminate or repeat, Real numbers, the combination of rational and irrational numbers, Natural numbers, {1,2,3...}, Whole numbers, {0,1,2,3...}, y-intercept, the y value when x=0, interval notation, [a,b] or (a,b) or [a,b) or (a,b], roster notation, a list of numbers. You need 3 numbers and a pattern before you can use ... - Ex {2,4,6...}, set builder notation, a method for describing a set of number that can be very specific. It outlines the number set and typically has an inequality within it, f(x), function notation that refers to outputs, f(3), Find the output when the input is 3, state the value of x for which f(x) = 7, Find the input when the output is 7.

Function Definitions

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