A scuba diver was swimming along the ocean floor. When she spots a dolphin, she swims up 25 feet toward the animal. She
then follows the dolphin at a depth of 4 feet below the surface of
the water. What was the original depth of the diver?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.