Hola buenas tardes necesito ayuda con esto porfa que alguien me explique o ayude por favor!!

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?