The width of a rectangle is 1/4 its length. The perimeter of the rectangle is 420 ft. What is the length, in feet, of the rectangle?

What is the value of x in the this question ?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.