Answer:
yes
Step-by-step explanation:
For the relation to be a function, there must only be one corresponding value of y (range) for any value of x in the domain, that is a one-to- one relationship
This graph displays this feature and is a function.
Answer:
Step-by-step explanation:
since you are already given the formula just plug in the numbers.
the only tricky part is r=rate must be in decimal form!!!
I=4,000(.035)(2)
I=280 (answer)
Answer:
We are to find the error made by Sadie and then find the correct simplification.
The error Sadie made is that she wrote
as
instead of
.
The square root of
is
and so she could have further simplified.
The correct simplification is shown below:

X+60 + 70 = 180 (straight line)
x+130=180
x= 180 -130
x=50