9.2.1: Understand the concept of function, and identify important features of functions and other relations using symbolic and graphical methods where appropriate.

Understand the concept of function, and identify important features of functions and other relations using symbolic and graphical methods where appropriate.

9.2.1.1Understand the definition of a function. Use functional notation and evaluate a function at a given point in its domain.9.2.1.2Distinguish between functions and other relations defined symbolically, graphically or in tabular form.9.2.1.3Find the domain of a function defined symbolically, graphically or in a real-world context.9.2.1.4Obtain information and draw conclusions from graphs of functions and other relations.9.2.1.5Identify the vertex, line of symmetry and intercepts of the parabola corresponding to a quadratic function, using symbolic and graphical methods, when the function is expressed in the form f (x) = ax^2 + bx + c, in the form f (x) = a(x - h)^2 + k , or in factored form.9.2.1.6Identify intercepts, zeros, maxima, minima and intervals of increase and decrease from the graph of a function.9.2.1.7Understand the concept of an asymptote and identify asymptotes for exponential functions and reciprocals of linear functions, using symbolic and graphical methods.9.2.1.8Make qualitative statements about the rate of change of a function, based on its graph or table of values.9.2.1.9Determine how translations affect the symbolic and graphical forms of a function. Know how to use graphing technology to examine translations.
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