What best describes the transformation from f(x) = zº to f(x) = - (z?)?
a. Reflect about the x axis
b. Reflect about the y axis
c. Stays the same
d. Moves down 1

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Which one is true about the hexagons ?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?