What is 5.50 divided by 7. someone i am having a real hard time im not so good at math.

What is the value of x in the this question ?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585