F(x)=x^3-3x

F(-8)

Someone please help me with this math question

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years