Answer:
D. increase of $1 in advertising is associated with an increase of $6,000 in sales.
Step-by-step explanation:
Every dollar in advertisting is multiply by 6 in the equation, but every unit in y represent $1000. That means that $1 1n advertisting is multiply by 6 and then by $1000, that is $1 in advertisting = $6000 in sales.
The two expressions are equivalent because they have the same value regardless of the number of substituted in for y
Answer: True
Explanation: hope this help
Answer:
Answer D is the correct answer 4x+1