Introduction to Functions
Grade 12•45 minutes
Learning Objective
I can evaluate a function for a given input and interpret the output in context.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Evaluate the function g(x) = 3x - 2 for the input x = 4. What is the output, and what does it represent in context?
2. If h(y) = y² + 1 when y is positive and h(y) = 0 when y is negative, what is h(-3)? Explain your reasoning.
3. Describe the difference between a function and a non-function using the example of the equation y² = x. Why is this not considered a function?
...and 4 more questions
Educational Video
What is a function? | Functions and their graphs | Algebra II | Khan Academy
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