1. Which function is not one-to-one? a. {(0, 1), (1, 2), (2, 3), (3, 4)}
b. {(0, 0), (1, 1), (2, 2), (3, 3)}
c. {(0, 1), (1, 0), (2, 3), (3, 2)}
d. {(0, 1), (1, 0), (2, 0), (3, 2)}

3,4

Step-by-step explanation:

i dont know

step-by-step explanation:

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2