Hey this was my attempt to help explain the answer
Answer:
Hope it helps
if you need more explanation, just ask
I am very sure I am correct, because this was a subject in math I could highly understand, the answer the side you are asking for, B = 4
Answer:
Step-by-step explanation:
hello :
f(x)=(1/5)x
the domain is : D= ℝ =]-∞ ,+∞[ (linair function)
the range is : E= ℝ =]-∞ ,+∞[ ( f^-1 is linair function)
Sales increase with a decrease in price.
