Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

Recall that this is equivalent to:

Substitute and simplify:

In conclusion:

17 - 6 x 10 ÷ 2 + 12 = 17 - 60 ÷ 2 + 12 = 17 - 30 + 12 = -13 + 12 = -1
Answer: 5.099
Step-by-step explanation:
(-1,-4) this is saying that when x=-1, y=-4. Plugging it into the line equation y=4x gives

Which is correct.