Analysis and Approaches for IBDP Maths Ebook 2 | Page 284

Your Practice Set – Analysis and Approaches for IBDP Mathematics Exercise 24 24.1 (a) a � 0 , b� (b) Refer to solution 24.2 (a) a� , b � 0 (b) Refer to solution 24.3 (a) Refer to solution (b) h( �p) � q 24.4 (a) Refer to solution (b) h(1.1) �� r Exercise 25 25.1 (a) 1 A � , B � 2 , 3 8 C � 3 (b) � 7 � �y : y � or y �3� � 3 � 25.2 (a) A � 3, B � � , C �� 4 6 (b) { y : y � �7 or y � � 1} 25.3 (a) 1 A � , B � 2� , C � 0 4 (b) 1 3 x � , x � 1 and x � 2 2 25.4 (a) A � 4 , B � � , C � � (b) 1 5 13 x � , x � , x � or 6 6 6 17 x � 6 Exercise 26 26.1 (a) Refer to solution (b) x �� 1.26 26.2 (a) Refer to solution (b) �0.5 � x � � 0.392 , x � 0 or 0.392 �x � 0.5 26.3 (a) Refer to solution (b) 0 �x � 0.503 or 2.84 �x � 7 26.4 (a) Refer to solution (b) k �� 0.0504 Chapter 8 Exercise 27 27.1 k �� 14 or k � 3 27.2 1 k � 0 and k � 4 27.3 (3, 2,1) 27.4 k � 11 Exercise 28 28.1 (a) � 5 RP �p� q 2 (b) � 1 17 RT � p� q 5 10 (c) � 2 4 TS � p� q 5 5 (d) 13 � � 2 , � � 6 28.2 (a) Refer to solution (b) � 2 3 OH � p� q 5 20 (c) � 8 3 OS � p� q 11 11 (d) Refer to solution 28.3 (a) POQ ˆ � 60 (b) Refer to solution (c) 1 � � 2 28.4 (a) Refer to solution (b) � 1 1 OV � p� q 3 3 (c) Refer to solution Exercise 29 29.1 (a) Refer to solution (b) Refer to solution (c) Refer to solution 274 SE Production Limited