Please I really need help I have a hard time focusing so I was doing this for 4 hours please help I'm begging you I really need a good score on this.

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Find the maximum value of p= 4x + 5y subject to the following constraints :

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