Answer:
I plotted it out on the graph and here it is:
Answer:
It is a function
Step-by-step explanation:
The x values are different; if they were to be the same, such as (1,7),(2,8),(1,9) it would be incorrect.
Answer:

Step-by-step explanation:
We are given the function:

And we want to find F(<em>b</em> + 3).
We can substitute:

Expand:

Rearrange:

Combine like terms. Hence:

In conclusion:

y =2x-1
Step-by-step explanation:
Answer:
50
Step-by-step explanation:
So, you do 45 divided by 30. When u do that, u get 1.5. Then, u do 75 divided by 1.5 and u get 50! Hope this helps :))