Activity 4.2 for lesson 4 on Applications of Relations and Functions
- Almaz has taken two tests. Her average score is 7 (out of ten). The product of her scores is 45. What did she score in each test? A. 6 and 7 B. 11 and 4 C. 3 and 15 D. 9 and 5
- The speed of a boat in still water is 15 km/hr. It needs four more hours to travel 63 km against the current of a river than it needs to travel down the river. Determine the speed of the current of the river . A. 3 km/hour B. 6 km/hour C. 9 km/hour D. 8 km/hour