Answer:
the vertical line test proves that it is not a function because there are two y values for 1 x value
Step-by-step explanation:
153
answer
c) 2520
1st digit 1 of 7
2nd digit 1 of 6
3rd digit 1 of 5
4th digit 1 of 4
5th digit 1 of 3
7*6*5*4*3=2520 combination
-3
