functions worksheets

Functions Practice

Functions worksheets for year 10 and year 11. Functions worksheet 1 asks students to work with expressions and functions, functions worksheet 2 and functions worksheet 3 asks students to work with composite functions, functions worksheet 4 and functions worksheet 5 asks students to work with inverse functions.

Functions Examples

Expressions, Inverse functions and composite functions. The example below shows three separate functions,  f(x) = x2 - 2x + 4,  f(a) = 5x and g(x) = x - 1. In the first section the value 3 is substituted into the function f(x) = x2 - 2x + 4. The answer is 7. Next, the value -6 is substituted into the function f(x) = x2 - 2x + 4. The answer is 52. The second section shows the composite functions ff(x) and fg(x). In the first part the value 3 is substitued into the composite function ff(x). The answer is 45. Next, the value 3 is substituted into the composite function fg(x). The answer is 10.   Functions Questions And Answers

For Function Machines Worksheets try: Function Machines Worksheets. For Substituting Into Expressions Worksheets try: Substituting Into Expressions Worksheets.

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