Answer:
19-12=7, so 4-7=-3, so b is equal to 19
Answer:

Step-by-step explanation:
1 has been divided into three equal parts. Each of these parts is 1/3. Let's calculate how many times 1/3 is in 3.
Hope this can help.
I think x-2 is factor of f(x) but x+4 is not.
Answer: exponential decay
Step-by-step explanation:
Answer:
no idea
Step-by-step explanation:
no idea jsbdkanxlanvsksnsp