If f(x) = x +3, which of the following is the inverse of Rx)? O A. f'(X) = 5(x+3) 3 O B. f-'() = 3(x+3) 5 OC. f(x) = 3(x-3) 5 OD. '(x) = 5(x - 3) 3

1. what is the measure of ∠abc? what is the measure of ∠abd?

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

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