Estimate the integral by the left endpoint estimate, n = 6 g

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Reflect the point (7,0) across the y-axis

What’s the answer ? use the picture to see the problem