Answer:
The set of all real numbers
Step-by-step explanation:
The domain is the set of all real numbers (both positives and negatives including zero.
Answer:
x=-2
Step-by-step explanation:
x-27 = 7x -15
subtract x from both sides
-27=6x-15
add 15 to both sides
-12=6x
divide both sides by 6
-2=x
x=-2
Answer:
the difference is the slope
Step-by-step explanation:
y = mx+b
m is the slope
b is the y-intercept
2x+4
3x+4
4x+4
the m constant changes meaning the slope is the difference
