Question

A timer is started and a few moments later a swimmer dives into the water and then comes back up. The swimmer’s depth (in feet) as a function of time (in second after time was started) is given by the equation h(t)=t^2- 16t + 55

Rewrite the formula and select each true statement below.

Options:
The swimmer dives into the water 5 seconds after the timer is started.

The swimmer reaches a maximum depth of 16 feet.

The swimmer comes back up 16 second after the timer is started.

The swimmer comes back up 11 second after the timer is started.

This function shows that the swimmer dives into the water two separate times.

Answer 1

Answer: The swimmer dives into the water 5 seconds after the timer is started.

The swimmer comes back up 11 seconds after the timer is started.

Explanation: