Answer:
1. B
2. A
3. B
Step-by-step explanation:
1. Can be checked using the vertical line test. By placing a vertical line at any x value, there can only be one point at which the line meets a part of the graph.
2. An x value can only correspond to one y value. B is incorrect since the x value of 5 is both -4 and 1 for the y values.
3. Same as above but with x and y charts. A x value can only correspond to one y value. A is incorrect as two of the same x values (2) appears and corresponds to two different y values (5 and 6).
Step-by-step explanation:
2(x+10)=60
x+10=60/2
x=30-10=20
change=100(63-58)/58
change=100(5/58)
change=500/58
change=250/29
change=8.62
Answer: 82
Step-by-step explanation:
(N + 1 )^ 2 for N = -9
(-9 +1))^ 2
81+1
82
(-9 +1))^ 2 - Every number raised to power 2 positive your result will be positive
Answer:
Assuming x is the number, then 
Step-by-step explanation:
If the product of a number and 5 is 8, the equation becomes:
(assuming x is the unknown number).
We can isolate the variable x by dividing both sides by 5.
Hope this helped!
