Is this relation a function? {(0, 1), (1, 3), (2, 3), (3, 0)}

No, because at least one input maps to more than one output.

No, because at least one output maps to more than one input.

Yes, because every input has exactly one output.

Yes, because every output has exactly one input. NO LINKS I WILL REPORT YOU I WILL GIVE BRAINLIEST TO RIGHT ANSWER ASAP FAS

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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.

Write the equations in logarithmic form 10^3=1,000