Let f be a continuous function from a topological space x to ir. let a elementof ir and let a = { x elementof x: f(x) = a} show that a is closed in x

What aspects of lines have to be diffrent

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points