The sum of S of the first N. positive integers is s=1/2n (n+1). a) Plot four points (n, s) that satisfy the equation . is the equation a linear equation? explain your reasoning?
B) Does the value n=4.2 make sense in the context of the problem explain your reasoning.

Quadrilateral ghjk has vertices g(2, 3), h(8, 2), j(6, 8), and k(3, 6). it is transformed according to the rule t(–4, –5). what are the coordinates of g”? (–7, 3) (–2, 2) (–1, –7) (2, –2)

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

What is the interquartile range of this day at set?