What is the rule for reflecting across the x-axis? (x, y)=(x,-Y)
O (x, y)=(-x, y)
O (x, y)=(-x-7)
O (x, y)=(x, y)

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

What is the ratio fraction form of 25: 9

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters