Acarpenter has 28 nails from a previous job and needs to buy more. a store has 7 boxes of nails and each box contains 100 nails. the carpenter needs to buy at least 3 boxes. the number of nails the carpenter will have after purchasing n boxes is represented by a function. f(n)=100n 28 what is the practical domain of the function? all real numbers {328, 428, 528, 628, 728}{328, 428, 528, 628, 728} all real numbers from 3 to 7, inclusive all integers from 3 to 7, inclusive

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?