Which relation is a function? {(5, 0), (0, 1), (5, 2), (4,4)} {(0, 1), (−4, 1), (4, 2), (−4,−1)} {(1, 2), (2,4), (−1, 2), (0,3)} {(3, 2), (2,1), (−1, 2), (3,3)}

Carter drank 15.75 gallons of water in 4 weeks. he drank the same amount of water each day. a. estimate how many gallons he drank in one day. b. estimate how many gallons he drank in one week. c. about how many days altogether will it take him to drink 20 gallons?

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.