Let f(x)=−2x2+3x−6 and g(x)=5−4x−8x2. Which equation shows h( x), where h(x)=f(x)+g(x)? h(x)=3x2−x−14

h(x)=6x2+7x−11

h(x)=−10x2−x−1

h(x)=−10x2−7x−11

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?