The following warm-up exercises involve skills that were covered in earlier sections. you will use these skills in the exercise set for this section.
1. the sum is s and the product is a maximum.
2. the product is 192 and the sum is a minimum.
3. the product is 192 and the sum of the first plus three times the second is a minimum.
4. the second number is the reciprocal of the first and the sum is a minimum.
5. the sum of the first and twice the second is 100 and the product is a maximum.