Which point on the graph makes this relation not a function?

What ia the sum if the first 7 terms of the geometric series

Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.