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Decide Whether Each Function Is One-To-One
-(I) f(x)=x24f(x)=x^{2}-4 (Ii)



A) (I) No; (Ii) No
B)

Question 45

Multiple Choice

Decide whether each function is one-to-one
-(i) f(x) =x24f(x) =x^{2}-4
(ii)
 Decide whether each function is one-to-one -(i)   f(x) =x^{2}-4  (ii)      A)  (i)  No; (ii)  No B)  (i)  Yes; (ii)  Yes C)  (i)  No; (ii)  Yes D)  (i)  Yes; (ii)  No


A) (i) No; (ii) No
B) (i) Yes; (ii) Yes
C) (i) No; (ii) Yes
D) (i) Yes; (ii) No

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