Please help me with my Vacation Work by providing the answers with the equation below. I’ll be very thankful for your help.

Can someone, me with this.i really need with this

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?