Which of the following best defines a function? a] a function is a special type of relation for which there is a rule that pairs each input with exactly one output. b]a function is a relationship that defines the connection between two variables. c] a function is a set of ordered pairs in which no y-value repeats. d]a function pairs input and output values with no particular pattern.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?