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) = −5x − 8 and g(x) = 4x + 19. For which x is f(x) = g(x)?
x =
Question 2
f(x) = 2x² − x. Find f(−3 + 1) − f(−3).
Answer
Question 3
f(x) = −4x + 2 and g(x) = x² + 2. Find f(4) − g(−2).
Answer
Question 4
f(x) = x + 3 and g(x) = 2x − 1. For which x is f(x) = g(x)?
x =
Question 5
f(x) = 2x² + x. Find f(1 + 1) − f(1).
Answer
Question 6
f(x) = −2x + 1 and g(x) = x² + 1. Find f(−2) − g(2).
Answer
Question 7
f(x) = x − 7 and g(x) = −2x + 2. For which x is f(x) = g(x)?
x =
Question 8
f(x) = x² − x. Find f(−1 + 1) − f(−1).
Answer
Question 9
f(x) = 4x − 3 and g(x) = x² − 5. Find f(−4) − g(4).
Answer
Question 10
f(x) = −3x − 9 and g(x) = −4x − 3. For which x is f(x) = g(x)?
x =
Question 11
f(x) = 2x² + 2x. Find f(1 + 1) − f(1).
Answer
Question 12
f(x) = 2x + 7 and g(x) = x² + 2. Find f(3) − g(4).
Answer
Question 13
f(x) = 3x + 1 and g(x) = −x − 3. For which x is f(x) = g(x)?
x =
Question 14
f(x) = x² − 4x. Find f(−2 + 1) − f(−2).
Answer
Question 15
f(x) = 3x + 2 and g(x) = x² − 6. Find f(−4) + g(3).
Answer
Question 16
f(x) = −3x + 5 and g(x) = −x + 15. For which x is f(x) = g(x)?
x =
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