For example smallest x which makes inequelity is x =14
because 14 + 7 = 21 > 20
you can take any number >= 14
Answer:
The correct answer is option B
Step-by-step explanation:
The general form of inverse variation between the variables x and y is as following:
where c is constant
option A : y = x/12 ⇒ x = 12y (wrong option)
option B : y = 12/x ⇒ y * x = 12 (correct option) and c will be equal 12
option C : y = x + 12 ⇒ not similar to the general form (wrong option)
option D : y = 12x (wrong option)
So, the correct option is B
Answer:
Step-by-step explanation:
Given: Monthly cost :
Monthly revenue : , where x is in thousands of books sold.
Profit = Revenue - Cost
Now , Profit function : P(x) = R(x)-C(x)
Hence,