Determine whether the relation is a function.{(-6, 3), (-1, -4), (1, -8), (5, 9)}
A. Function
B. Not a function
Answer: A
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Establish the identity.
= 
What will be an ideal response?
A French restaurant offers a menu consisting of 4 different appetizers, 5 different salads, 3 different soups, 7 different main courses, and 8 different desserts. The restaurant offers different combinations of "fixed price dinners" on different days of the week.On Monday through Thursday, the "fixed price dinner" consists of a choice of appetizer, a soup, a main course, and a dessert. Assuming you don't pass on any of these, how many different "fixed price dinners" are possible on these days?
A. 672 B. 22 C. 68 D. 392 E. none of these
Find the magnitude of the vector.u = 
A. 6
B. 6
C. 90
D. 3
Thoth, an ancient Egyptian god of wisdom and learning, has abducted Ahmes, a famous Egyptian scribe, in order to assess his intellectual prowess. Thoth places Ahmes before a large funnel set in the ground (see figure below). It has a circular opening 1,000 ft in diameter, and its walls are quite slippery. If Ahmes attempts to enter the funnel, he will slip down the wall. At the bottom of the funnel is a sleep-inducing liquid that will instantly put Ahmes to sleep for eight hours if he touches it. Thoth hands Ahmes two objects: a rope 1,006.28 ft in length and the skull of a chicken. Thoth says to Ahmes, "If you are able to get to the central tower and touch it, we will live in harmony for the next millennium. If not, I will detain you for further testing. Please note that with each
passing hour, I will decrease the rope's length by a foot. Is it possible to reach the central ankh tower and touch it?
?
?
Ahmes' dilemma. Note that there are two ankhshaped towers. One stands on a cylindrical platform in the center of the funnel. The platform's surface is at ground level. The distance from the platform surface to the liquid is 500 ft. The other ankh tower is on land, at the edge of the funnel.
?
A. Yes
B. No