Is this a linear function?

Yes

Step-by-step explanation:

We will finde linear line trought two point and chak do the other two point hold in equation. If do, that is linear function.

Line trough two first points is:

(y-1)/(-2-1)=(x-3)/(-1-3)

Y-1=-3(x-3)/(-4)

See do other two points are in this equation ok.

X=7 y=4

4-1=3

-3*4/(-4)=3 it is ok

X=11 y=7

7-1=6

-3(11-3)/(-4)=3*8/4=6

It is ok too, so

this is linear function.

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

step-by-step explanation:

i believe its "c" because all of the other options include a but it could be d because there is a way of financing with cash at certain places but its uncommon.