Answer:False
Step-by-step explanation:
Failed vertical line test
Solve the equation
Add 9t to both sides
0 = -1, false
The answer is no solution
Answer:
isdfsdfsdfsd
Step-by-step explanation:
Answer:
Yes, because the 39 books and 21 cds price is proportional to the 52 books and 28 cds' price
Step-by-step explanation:
:>
Try this solution:
1. according to the condition
2. for more details see the attached graph.
Answer: [0;+oo)