Can someone kindly check if my answer is correct..
Question: A cosmetic manufacturer’s marketing department developed a linear trend equation that can be used to predict annual sales, which is: Y = 80 + 15t where Y = annual sales (in 1000) and the initial year, to is 1985.
a. Are the annual sales increasing or decreasing? By how much?
Answer: it is increasing by 150 thousand
Question: A cosmetic manufacturer’s marketing department developed a linear trend equation that can be used to predict annual sales, which is: Y = 80 + 15t where Y = annual sales (in 1000) and the initial year, to is 1985.
a. Are the annual sales increasing or decreasing? By how much?
Answer: it is increasing by 150 thousand