Grade 9 Function Notation Worksheet
This worksheet covers evaluating functions, understanding function notation, and interpreting function relationships for Grade 9 Math.
Includes
Standards
Topics
Function Notation Practice
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. If f(x) = 3x - 5, find f(4).
2. Given g(x) = x² + 2x - 1, find g(-3).
3. In the function notation f(x), the 'x' represents the variable, and f(x) represents the variable.
4. If f(x) = 7, this means that when the input is , the output is .
5. The notation f(x) means 'f multiplied by x'.
True
False
6. For any function, f(a) + f(b) is always equal to f(a+b).
True
False
7. If h(t) = -16t² + 32t + 48, what does h(1) represent?
The initial height of an object.
The height of an object after 1 second.
The maximum height of an object.
The time it takes for an object to hit the ground.
8. Plot the points for the function f(x) = x + 2 for x = -2, -1, 0, 1, 2 on the graph below.
9. What is the value of f(0) from the graph you plotted?
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