The sets d and g are given below.
d={ b, f,j }
g={ d, i,j }
find the union of d and g.
find the intersection of d and g
write your answers using set notation.

Can someone me with this problem i don't understand i need

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?