For the given function, f(x) = -2x4 - 2x3 + 18x2 + 18x, list down key features and then using these key features, sketch its approximate graph. Use graphing paper. (10 points)

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?