Answer:
Step-by-step explanation:
f(-9)=2(-9)²+5(-9)+20
= 162-45+20
= 137
Part A: Barry has his own job. Barry saves his earned money and doesn't spend it. He cuts down on buying things he doesn't need. After a while, Barry will have enough money saved to go on vacation with his family.
Part B: Barry has a job, but he buys all kinds of thing with his money. He saves no money and wastes it on things he doesn't need. he gives his money aws=ay to his friends. Barry will not have money for a family vacation.
Answer: Yes it does matter because you can't add the like terms if they aren't the same.
Step-by-step explanation: 2x+8y you can't add these two because they don't have the same like terms.
y = mx + b
y = 2x - 5
you can go to desmos calculator online and simply put in the equation. but what you're going to do is find -5 on the y axis. then you will go up 2 and then 1 to the right.
it should look like this:
hope this helps !!
