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What of the following function(s) in an accurate description of the graph for the range(s) indicated?
A. y = 2x + 4 for -3 ≤ x ≤ -1
B. y = |x-1| for -1 ≤ x ≤ 2
C. y = ||x|-1| for -1 ≤ x ≤ 2
D. y = 1 for 2 ≤ x ≤ 3
  • a)
    (i), (ii) and (iii) only
  • b)
    (i), (ii) and (iv) only
  • c)
    (i) and (iv) only
  • d)
    (ii) and (iv) only
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What of the following function(s) in an accurate description of the g...
Put value and verify
(i) y = 2x+4 is true in -3 ≤ x ≤ -1
On putting x = -3, y = 2 and x = -2,y = 0 and x = -1, y = 2
(ii) y = |x-1| is also true (x = -1, y = 2), (x = 0 ,y = 1) and (x = 1, y = 0)
(iv) y = 1 in (2 ≤ x ≤ 3) always true
(i), (ii) and (iv) are true.
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What of the following function(s) in an accurate description of the graph for the range(s) indicated?A. y = 2x + 4 for -3 ≤ x ≤ -1B. y = |x-1| for -1 ≤ x ≤ 2C. y = ||x|-1| for -1 ≤ x ≤ 2D. y = 1 for 2 ≤ x ≤ 3a)(i), (ii) and (iii) onlyb)(i), (ii) and (iv) onlyc)(i) and (iv) onlyd)(ii) and (iv) onlyCorrect answer is option 'B'. Can you explain this answer?
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