Solve the compound inequalities X+0>0 and x+0>9 write the answer in interval notation

X>0 and x>9

it says and so it's the union of the 2 sets

that would be x>9 because x>0 has x>9 in it, but x>9 doesn't have all of x>0 in it

in interval notation, it would be (9,∞)

remember, the parenthasees are like