The cost to rent a paddleboard for a different number of hours is shown. Is the cost a function of the rental time? time (hours) 1 2 3 4
Cost ($) 25 45 45 55
A. No, since there are two inputs (time in hours) which have the same cost (in dollars).
B. No, since there are two costs (in dollars) which have the same inputs (time in hours).
C. Yes, since each output (cost in dollars), has a single input (time in hours).
D. Yes, since each input (time in hours), has a single output (cost in dollars).

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.