State whether each of these functions, where sets a and b are as stated in #1, are one-to-one, onto, both, or neither, and give a brief explanation for each answer feaxb, where f {(r,17), (q, 18), (s, 19), (t, 20)} a. ga x b, where g {(q, 17), (s, 19), (t, 20), (r, 19)} b. c. hc a x b, where h {(q, 18), (r, 20), (s, 18), (t, 20)} b x b, where k {(17,20), (18, 20), (19, 20), (20, 20) d. k 1ca x a, where l = {(q, t), (r, s), (s, q), (t, r)} e.
problems is shown in parentheses. 1. (5) let a = {q, r, s, t} and b={17, 18, 19, 20. determine which of the following are functions. explain why or why not.

add an image

step-by-step explanation:

what is the original number? you forgot to add it.

for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.

the opening of this porabola is facing up

step-by-step explanation: