Unit 3 Functions (Linear and Exponentials) Parent Functions and Transformations.
Parent Functions PDF
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Transcript of Parent Functions PDF
Tables
Quadratic Function: y= x2 Translation: y= (x - 2)2+3
Translation: y= -(x - 2)2+3
Domain: (-∞,∞) Range: [3,∞)
Domain: (-∞,∞) Range: (-∞,3]
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
Translation: y= -(x - 2)2+3Translation: y= (x - 2)2+3
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
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Absolute Value Function: y= |x| Translation: y= |x - 2|+3
Translation: y= -|x - 2|+3
Domain: (-∞,∞) Range: [3,∞)
Domain: (-∞,∞) Range: (-∞,3]
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= |x - 2|+3 Translation: y= -|x - 2|+3
Cubic Function: y= x3 Translation: y= (x - 2)3+3
Translation: y= -(x - 2)3+3
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Domain: (-∞,∞) Range: (-∞,∞)
Domain: (-∞,∞) Range: (-∞,∞)
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= (x - 2)3+3 Translation: y= -(x - 2)3+3
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Square Root Function: y= √x Translation: y= √x - 2+3
Translation: y= -√x - 2+3
Domain: [2,∞) Range: [3,∞)
Domain: [2,∞) Range: (-∞,3]
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= √x - 2+3 Translation: y= -√x - 2+3
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Cube Root Function: y= 3√x Cube Root Function: y= 3√x - 2+3
Cube Root Function: y= -3√x - 2+3
Domain: (-∞,∞) Range: [3,∞)
Domain: (-∞,∞) Range: (-∞,3]
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= 3√x - 2+3 Translation: y= -3√x - 2+3
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Exponential Function: y= abx Translation: y= 3(2)x-2 + 3
Translation: y= -3(2)x-2 + 3
Ex: y= 3(2)x
Domain: (-∞,∞) Range: [3,∞)
Domain: (-∞,∞) Range: (-∞,3]
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= 3(2)x-2 + 3 Translation: y= -3(2)x-2 + 3
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Logarithmic Function: y= log x Translation: y= log(x - 2)+3
Translation: y= -log(x - 2)+3
Domain: (2,∞) Range: (-∞,∞)
Domain: (2,∞) Range: (-∞,∞)
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= log(x - 2)+3 Translation: y= -log(x - 2)+3
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Rational Function: y= 1/x Translation: y= 1/x-2 + 3
Translation: y= -1/x-2 + 3
Domain: (-∞,2) U (2,∞) Range: (-∞,3) U (3, ∞)
Domain: (-∞,2) U (2,∞) Range: (-∞,3) U (3, ∞)
Translation Explanation
• The function moves up 2 units • The function moves 3 units to the
right
• The function reflects over the x-axis • The function moves up 2 units • The function moves 3 units to the
right
Translation: y= 1/x-2 + 3 Translation: y= -1/x-2 + 3