The data in the table shows a sinusoidal relationship between the number of seconds an object has been moving and its velocity v(x) , measured in centimeters per second.
please help

This is different from the first one can someone me

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Find the maximum value of p= 4x + 5y subject to the following constraints :