Question 1. [9 marks] A wheat field owned by Farmer Jo lies between two roads as shown in the diagram below. Main Road lies along the and Side Road lies along the curve with equation 3 x-axis y = – ex – e–x. a. The intercept of the graph representing Side Road is y-axis b. Show that = 1. b [1 mark] b. Find the exact value of a. [1 mark] The farmer wishes to find an approximation to the area of the wheat field by using rectangles of width 0.5 km, c. as shown on the following diagram.
Question 1. [9 marks] A wheat field owned by Farmer Jo lies between two roads as shown in the diagram below. Main Road lies along the x-axis and Side Road lies along the curve with equation y = 3 – ex – e–x. a. The y-axis intercept of the graph representing Side Road is b. Show that b = 1. [1 mark] b. Find the exact value of a. [1 mark] c. The farmer wishes to find an approximation to the area of the wheat field by using rectangles of width 0.5 km, as shown on the following diagram.
MM-AT4.1-2018-TEST-Part-B.docx