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.
Answer:
i cannot understand
Step-by-step explanation:
Answer:
Step-by-step explanation:
4x^2 is the quadratic
3x is linear
-6 is the constant.