Answer:
15
Step-by-step explanation:
10+10=20-5=15
This is what you do.
(3)^(-9+7)= (3)^(-2)
= (1/3)^2
=1/9
It is a function. It passes the vertical line test, meaning for each x there's at most one y.
When x=2 we see y=-3 as (2,-3) is a point on the graph
3 because u keep the number Wich is 8 the same but change the three to four
The LCM or least common denominator would be 63.
21 times 3 = 63
9 times 7 =63