Which of the following is a function, Please i need this its due in 15 min A= {(1, 4) (2, 5) (3, 6) (4, 7)}
B={(-3, 4) (-1, 6) (2, 4) (5, 5)}
C={(-1, 2) (3, 5) (-1, 4) (7, 12)}
D={(1, 5) (4, 5) (5, 5) (8, 5)}

A.

Step-by-step explanation:

its A because I did this test

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )