Sets and The Operation on Sets, Assignments of Mathematics

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 define a mathematical function;  determine relations that are not functions; determine if a graph represents a function using the vertical line test; LEARNING OBJECTIVES At the end of the lesson, you are be able to:

ACTIVATING PRIOR KNOWLEDGE Which of the following correspondences shows a function?

ACTIVATING PRIOR KNOWLEDGE Which of the following graphs is not a function?

ACTIVATING PRIOR KNOWLEDGE What are the coordinates of the point located 3 units to the left of the y- axis and 4 units above the x-axis? a. (-3, 4) b. (4, -3) c. (3, -4) d. (-4, 3)

ACTIVATING PRIOR KNOWLEDGE What are the coordinates of the point located 3 units to the left of the y- axis and 4 units above the x-axis? a. (-3, 4) b. (4, -3) c. (3, -4) d. (-4, 3)

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To sell more T-shirts, the class needs to charge a lower price as indicated in the following table: EXAMPLE Target No. of Shirt Sales Price per T-shirt 500 900 1300 1700 2100 2500 Php 540 Php 460 Php 380 Php 300 Php 220 Php 140

A quadratic function is a function in the form f(x) = a + bx + c , where a, b and c are real numbers a ≠ 0.  QUADRATIC FUNCTION

Try to answer Try It 1 and Try It 2 in your worktext.

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