What sets of ordered pairs represents a function ? A={(2,-2), (5,-5) (-2,2)(-5,5)} B={(4,2), (4,-2) , (9,3) (9,-3)}
Zina [86]
Answer: A
Step-by-step explanation:
In a function, one x value (the number in front) goes to one y value.
In {(4, 2), (4, -2)}, the x value 4 goes to two y values (2 and -2), which lets you know it’s not a function.
Hope this helps!
Answer= 2w2-9w-5
Hope this helps
Answer:
Step-by-step explanation:
4^(4-7+1) = 4^-2
Answer:
the one you picked was right.
Step-by-step explanation:
if 63° was the angle and the 12 was the side then "x" will be one the bottom. then you flip the fraction meaning 1/sin63° and x/12 and then multiply 12 on both sides. you will be left with x = 12/sin63°. sorry if that doesn't make sense
Answer:
12.5 hours
Step-by-step explanation:
15/6 is 2.5. 2.5 is how many hours per worker. 5 times 2.5 is 12.5 hours
