Answer:


Step-by-step explanation:
A function and its inverse has the following properties

This implies that;

From the table,

This means that:


Note that: f(7) means the value of f(x) when x=7.
From the table f(x)=-6 when x=7.
That is why f(7)=-6.
Answer:
B
Step-by-step explanation:
180 - 100 = 80
80 = 30 = 110
180 - 110 = 70
Answer: 7.5
Step-by-step explanation:
Per 2 mile she ran 15m
Per one it’s 7.5m
Answer:
x = -2 & y = 6
Step-by-step explanation:















Hope this helps.
Answer:
radx-5=y.....(y+5)^2=x...(x+5)^2 a.or.b
Sub-greater radical equals 0 /d
Step-by-step explanation: