Complete the table of value

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =

$30 to spend on dinner tax and gratuity at mos restaurant rax is 6% and they give a 15% tip on the total bill after taxes thier dinner cost $21 which statement correctly explains wether andrew and kate have enough money to pay their bill