Can someone explain? Am confused.

Homework: Section 3.6 Question 1, 3.6.1-GC HW Score: 16.67%, 1 of 6 points Part 1 of 5 O Points: 0 of 1 Let P = (x,y) be a point on the graph of y = x - 8. Complete parts (a) through (e) below. (a) Express the distance d from P to the origin as a function of x. d(x) = (Simplify your answer. Type an exact answer, using radicals as needed.) Help Me Solve This View an Example Get More Help - Media Clear AllHomework. Section 3.0 Part 1 of 5 O Points: 0 of 1 Next Question A rectangle has one corner in quadrant I on the graph of y = 25 -x", another at the origin, a third on the positive y-axis, and the fourth on the poca occ the figure). 30- (a) Express the area A of the rectangle as a function of x. (b) What is the domain of A? 20- (c) Graph A = A(x). For what value of x is A largest? 15- (d) What is the largest area? 10- on 2 -5- (a) The area A of the rectangle as a function of x is A(x) = ]. (Simplify your answer.) Help Me Solve This View an Example Get More Help - Media Clear All CHHomework: Section 3.6 Question 3, 3.6.13 HW Score: 16.67%, 1 of 6 points Part 1 of 2 O Points: 0 of 1 Next Question A wire of length 6x is bent into the shape of a circle. A. Express the circumference of the circle as a function of x. B. Express the area of the circle as a function of x. A. C(x) = Help Me Solve This View an Example Get More Help - Media Clear All ChHW Score: 16.67%, 1 of 6 points Homework: Section 3.6 Question 4, 3.6.23 Part 1 of 4 O Points: 0 of 1 Next Question An island is 2 miles from the nearest point P on a straight Island shoreline. A town is 14 miles down the shore from P. Complete parts (a) through (d). d, P Town 14-x (a) If a person can row a boat at an average speed of 4 miles per hour and the same person can walk 5 miles per hour, express the time T that it takes to go from the island to town as a function of the distance x from P to where the boat. T(x) = (Use integers or fractions for any numbers in the expression. Type an exact answer, using radicals as needed.) Help Me Solve This View an Example Get More Help - Media Clear All ChHomework: Section 3.6 Question 5, 3.6.25-GC HW Score: 16.67%, 1 of 6 points Part 1 of 6 O Points: 0 of 1 An open box with a square base is to be made from a square piece of cardboard 27 inches on a side by cutting out a square from each corner and turning up the sides. See the figure. Answers parts (a) through (e). 27 in. - (a) Express the volume V of the box as a function of the length x of the side of the square cut from each corner. V=] (Simplify your answer.) Help Me Solve This View an Example Get More Help - Media - Clear All