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Identify, Graph, and Memorize Parent Functions Linear Absolute value Square Square root Cube

Notes Rev.6. The learner will. Identify, Graph, and Memorize Parent Functions Linear Absolute value Square Square root Cube Cube root Complete a regression equation: note discrete vs continuous data. Notes Rev.6 Parent Functions. Linear. Domain: Range:.

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Identify, Graph, and Memorize Parent Functions Linear Absolute value Square Square root Cube

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  1. Notes Rev.6 The learner will Identify, Graph, and Memorize Parent Functions • Linear • Absolute value • Square • Square root • Cube • Cube root Complete a regression equation: note discrete vs continuous data

  2. Notes Rev.6 Parent Functions Linear Domain: Range: X is all reals Y is all reals -2 -1 0 1 2

  3. Notes Rev.6 Parent Functions Absolute Value Domain: Range: X is all reals y≥0 2 1 0 1 2

  4. Notes Rev.6 Parent Functions Quadratic (squared) Domain: Range: X is all reals y≥0 4 1 0 1 4

  5. Notes Rev.6 Parent Functions Square Root Domain: Range: X ≥ 0 Y ≥ 0 0 1 2 3 4

  6. Notes Rev.6 Parent Functions Cubic Domain: Range: X is all reals Y is all reals -8 -1 0 1 8

  7. Notes Rev.6 Parent Functions Cube Root Domain: Range: X is all reals Y is all reals -2 -1 0 1 2

  8. Graph over a specific domain Graph y=x given the domain

  9. Lets look at scatter plots and find a line of best fit How? Regression Equations On the TI83

  10. Scatter Plot/Regression Equation 2nd Statplot(key above “y=“) Enter Enter (This turns statplot on) Stat (key under delete key) Edit (on screen) : (Enter x data in L1 and y data in L2)2nd Quit find a regression eq Stat Calc (on screen) 4(lin reg) Enter send regression equation to y= : Y= vars #5(statistics) EQ enter

  11. Given the data below, create a regression eq (best fit line) to predict the height of a 40 year old person. Is this prediction reasonable? Regression Equation: After a certain age, you stop growing. The actual data would not be linear after the growing years. This data does not accurately represent the height of a 40 year old person. Predict the height of a 20 year old. 189.5 cm Write your equation by rounding to the 3rd decimal place but don’t use the rounded equation to predict because the answer is less accurate that way!

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