PLEASE HURRY ! the last two questions are c) the functions y=3x and y=3 to the power of x are growing at the same rate OR d) the function y=3 to the power of x is growing slower than y=3x

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

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

Which of the following is not a correct form of the quadratic function?