Answer: 25 dollars per game
Step-by-step explanation:
A relation is a function if it passes the vertical line test. That graph in a coordinate plane is just a sin wave that is spread out. If you run a perfectly vertical line through the graph at every place on the graph, the line you draw will only go through the graph at one place every time. That makes it a function. It's not a one-to-one function cuz it fails the horizontal line test, but it is a function!
Step-by-step explanation:

therefore, 9 students haven't given their speech
40=4×10=200 toys
160=4×40=350 toys
Answer:
make equation = 0
Step-by-step explanation:
In first case your equation is factored so just = 0
(x+1)(2x-3) = 0
Product is zero if any factor is zero so (x+1) = 0, (2x-3) = 0
Solve for x: x= -1, x= 3/2
If (x-8)^2 is given than you need to factor it first and then do the same as in first example.
(x-8)^2 = (x-8)(x-8)
(x-8)=0 , x=8
This is double zero.