Step-by-step explanation:
Hope it will helps you..
Your photo is so unclear ..but i try my best to understand...
Answer:
the sum is -4
Step-by-step explanation:
The answer is 3 // The ones in blue are the domain and the ones in red are the range
The y-intercept of a line is where the line goes across the y line.
Does that answer your question?
Yes because 0 and 4 dont equal 10 and 20 and 40 dont equal 100. So no and 40 + 23 = 63.