Answer:
I THINK it's A
Step-by-step explanation:
No, it is not a proportional relationship because the graph does not go through the origin. A proportional relationship is supposed to be a straight line, starting from the origin. It starts on the number 4.
Answer:
The value of f(x) when x=-1 is 0.5
Therefore 
Step-by-step explanation:
Given that y=f(x)=
to find the f(x) when x=-1 :
That is to find f(-1)
Put x=-1 in the given function f(x)=



Therefore 
The value of f(x) when x=-1 is 0.5
Answer:
Yes, it is.
Step-by-step explanation:
Answer:
26
Step-by-step explanation:
JKL= ABC, jkl=abc
1.) use law of sines to find k.

2.) use law of cosines to find L
plug in for b and c: 
cross multiply: 

L=26