River Bend Problem: A river meanders back and forth across Route 66. Three crossings are 1.7 mi, 3.8 mi, and 5.5 mi east of the intersection of Route 66 and Farm Road 13, or FM 13 (Figure 15-3f). Figure 15-3f a. Use the sum and product of the zeros properties to find quickly an equation of the cubic function y = x3 + bx2 + cx + d that has 1.7, 3.8, and 5.5 as zeros. What is the y-intercept? b. Let f(x) be the number of miles north of Route 66 for a point on the river that is x miles east of FM 13. Suppose that the river crosses FM 13 at a point 4.1 miles north of the intersection. What negative vertical dilation of the equation in part a would give a cubic function with the correct f(x)-intercept as well as the correct x-intercepts? Write the particular equation for f(x). c. Plot function f. Sketch the result. What is the graphical significance of the fact that the leading coefficient is negative? d. Based on the cubic model, what is the farthest south of Route 66 that the river goes between the 1.7-mile crossing and the 3.8-mile crossing? What is the farthest north of Route 66 that the river goes between the 3.8-mile crossing and the 5.5-mile crossing? How far east of the 5.5-mile crossing would you have to go for the river to be 10 miles south of Route 66?

EMB 110 April 7, 2016 Broadcast Technology Electronic Communication Transmitter Receiver radio waves Radio waves can be in the air or it can be contained in a wire The camera takes in waves of light and energy The microphone takes in the audio waves...