1.1 Summation.

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Presentation transcript:

1.1 Summation

Graph (6, -1) What are the intercepts? (0, 0) (8, 1) (1, 4) (0, -2) (2, -5) (2, 5) What are the intercepts? What is the domain? What is the range? Is the RELATION a FUNCTION? Why or why not ?

{(4,7),(0, 5),(21, 41),(-6, 0)} Is this relation a function? What is the domain? What is the range? What are the intercepts?

Example: Translating Points Perform the given translation on the point (–4, -5). Give the coordinates of the translated point. 5 units right, 2 units down Show mathematically! ? Slope ? ? Domain ? ? Range ? 1.1a

Example: Translating Points Perform the given translation on the point (–1, 2). Give the coordinates of the translated point. 1 units left and 3 units down Show mathematically! 1.1a

translation 2 units down Example translation 2 units down Identify important points from the graph and make a table. X Y 1.1b

reflection across x-axis Example Use a table to perform the transformation of y = f(x). Use the same coordinate plane as the original function. reflection across x-axis x y f 1.1b

b) Reflection across x axis Perform each transformation of y = f(x). Use the same coordinate plane as the original function. Copy the original function. Create a table. You can do all on graph paper 1.1b a) Translate 2 units up b) Reflection across x axis

SLOPE recall is next!