How can I solve this? Is it just that I need to redraw it or is there some kind of formula or technique to solve this?

hi

rotating a point clockwise about the origin is changing (x;y) into (y;-x)

reflection on x is simply the mirror image of a point across the x axis

for point A (1;1)

rotation of 90° clockwise = (1;-1)

a reflection on x axis gives the point (1;1)

so option C) should be correct

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I don’t get the reflection in the x axis part. I don’t get the whole thing really

edit: ok i get it now