Answer:
y=4x+3
Step-by-step explanation:
Picture
Okay. Trying to look at it without anything else. F(4) is also saying x=4.
g(x) is another way of saying y= ... So if the question is asking what is x, then 4 is x.
the median is 4. All you do is put the numbers in order smallest to biggest then cross one of from each side until one number is left in the middle.
The answer is 15, 9^2 =81 12^2=144 144+81=225 and the square root of 225 is 15