PLEASE HELP!! 50 POINTS Two Quadratic functions are represented below
f(x)=-x^2+4x-3

a. In two or more complete sentences, explain how you can determine the maximum value of the
quadratic functions, f(x) and g(x).
b. Which function has the greater maximum value, f(x) or g(x)?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Divide. write in the simplest form. 4 1/6 divided by 10