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Advanced Function Evaluation — Easy Worksheet 2
Grade 12 · MathSheets Name: ____________________ Date: __________
Evaluate each expression.
How to solve
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Example
If f(x) = x² - 4x - 4, find f(-3).
Answer: 17
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = x² - 4x - 3, find f(-2).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 2x² + 6x + 3, find f(5).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 2x² - 5x + 5, find f(-5).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 3x² - 4x + 7, find f(-4).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 2x² + 2x - 5, find f(1).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 3x² - 5x + 4, find f(3).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 2x² + 8x, find f(-4).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Advanced Function Evaluation
To find f(k), substitute k for every x and simplify, squaring before multiplying. To find f(f(k)), first find f(k), then put that result back into f.
Try a similar one
If f(x) = 3x² - 2x + 7, find f(-1).
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
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Advanced Function Evaluation — Easy Worksheet 2
Evaluate each expression.