Answer:
The first one is a function. The other two are not functions.
Step-by-step explanation:
To find this, you use the vertical line test. If the vertical line touches multiple points on the graphed line, it is not a function. If the vertical line only touches the graphed line at one point, it is a function.
Good Luck! I hope this helps!
0.08x+0.075 (6000-x)=472.5
Solve for x
0.08x+450-0.075x=472.5
0.08x-0.075x=472.5-450
0.005x=22.5
X=22.5/0.005
X=4500 invested at 8%
Answer:49
Step-by-step explanation:5+11(4)
5+44=49
Answer:
12
Step-by-step explanation:
I think you are trying to say
.
If that's the case, you can multiply the left side by 2/2:
10/12 = 10/x
Then, since the numerators are the same and the denominator of one side is 12, the denominator of the other side must also be 12. Therefore, x = 12.
I hope this helped.