Evaluate and compare two functions
9th grade (Year 10 in England) · 16 questions · Common Core: HSF.IF.A.2 · England: GCSE Higher Algebra
Name
Date
Score/ 16
Question 1
f(x) = 2x² + x. Find f(2 + 1) − f(2).
Answer
Question 2
f(x) = 5x and g(x) = x² − 2. Find f(0) + g(2).
Answer
Question 3
f(x) = 4x + 7 and g(x) = −5x − 2. For which x is f(x) = g(x)?
x =
Question 4
f(x) = 2x² + x. Find f(2 + 1) − f(2).
Answer
Question 5
f(x) = −4x − 2 and g(x) = x² + 3. Find f(2) − g(3).
Answer
Question 6
f(x) = −4x − 9 and g(x) = 2x + 9. For which x is f(x) = g(x)?
x =
Question 7
f(x) = x² + 4x. Find f(−3 + 1) − f(−3).
Answer
Question 8
f(x) = 5x − 8 and g(x) = x² + 4. Find f(4) − g(2).
Answer
Question 9
f(x) = −5x − 4 and g(x) = −3x + 6. For which x is f(x) = g(x)?
x =
Question 10
f(x) = 2x² − x. Find f(−3 + 1) − f(−3).
Answer
Question 11
f(x) = −2x − 2 and g(x) = x² + 1. Find f(2) − g(−2).
Answer
Question 12
f(x) = −2x + 8 and g(x) = −4x + 18. For which x is f(x) = g(x)?
x =
Question 13
f(x) = x² − x. Find f(2 + 1) − f(2).
Answer
Question 14
f(x) = −4x + 4 and g(x) = x². Find f(1) + g(−3).
Answer
Question 15
f(x) = 5x + 6 and g(x) = −4x − 48. For which x is f(x) = g(x)?
x =
Question 16
f(x) = 2x² − 3x. Find f(−3 + 1) − f(−3).
Answer
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