Answer:
here is a videos look it up on you tube and it might help
Step-by-step explanation:
search this
Interpreting graphs of proportional relationships
Answer:
7000
Step-by-step explanation:
10^3=1000
1000*7=7000
Answer:

Step-by-step explanation:
Use the formula for the perimeter of a rectangle.







It pretty much looks like a one to one function. Plot the graph then draw a horizontal line,if the line touches the graph at just one point then it is
Step-by-step explanation:
step 1. break into 2 shapes: a rectangle of sides 3 and 4. a triangle of sides (x - 3), 4, and y.
step 2. y = 4sqrt(2) (definition of a 45° triangle)
step 3. note: sqrt is the square root.
step 4. x - 3 = 4 (definition of a 45° triangle)
step 5. x = 7 (add 3 to both sides).