The answer is 7 hope this helps
Answer:
B yes, because every x value corresponds to exactly one y value
Step-by-step explanation:
A function means that each input goes to a different output
Each input goes to only 1 y value
1280. 100% of students
X. 60% of student voting for Joan
X=1280•60/100
X=768
X^2-21 divided by x-7 equals x+3