Function- A relation where each x-value pairs with exactly one y-value(x-values cannot be used twice). Ex: (-2,5) (-1,8) (0,6) (1,6) (2,7) , Correlation Coefficient- How good a prediction will I get. Ex: x= -1,0,1,2 y= 2,4,6,8. r=1 positive correlation. , Slope-Intercept Form- The equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept. Ex: y=4x+2, y=2x+6., Function Notation- A way in which a function can be represented using symbols and signs. Ex: f(x)=mx+b, f(-2)=4(-2)+7., Range- The difference between the lowest and highest values. Ex: -1<y<3 or (-7,-5,0,2,5), Direct Variation- Represents a proportional relationship. Ex: y=5 no b=5, y=-3x+5 no b=5, Linear Parent Function- The simplest equation of a function. Ex: y=x or f(x)=x, g(x)= x-5, Continuous Domain- Set of input values that consists of all numbers in an interval. Ex: all numbers from 1 to 5, Vertex- Ordered pair that tell the lowest or the highest point (min) (max). Ex:(-2,9) (-1,8), Exponential Growth- Growth whose rate becomes ever more rapid in proportion to the growing total number or size. Ex: y=5(4)^t, y=5(1+.4)^t.

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