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)}

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

If angle 2=3x +1 and angle 3=2x +4what is angle 2

What is the factored form of the following expressions? d^2 – 13d + 36