Question

Algebra II question, see attachment!

Answer 1

Okay, so look at pi/4 on the x-axis, and see what it correlates with on the y-axis.

Answer 2

so it's either 1 or -1

Answer 3

Nope, for a function to exist, it must only have one y value per x value, take another look.
https://gyazo.com/359b855ed40d7dc770eda2e42d384975

Answer 4

so 0.5?

Answer 5

Nope.

Answer 6

@CloverRacer, at the green arrow on the graph, what is the corresponding y-value?

Answer 7

1

Answer 8

@CloverRacer, yep that's the answer.