In a proportional relationship, y=2 when x=8. Which of the following equations would describe this relationship? (1) y=4x (2) y=4x (3) y=x-6 (4) y=1/2x-2

What’s the domain of this function? fastttt

Which statements regarding efg are true? check all that apply.

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b