Which is an exponential decay function? f(x) = 0.2 x f(x) = –3.1x f(x) = 10x f(x) = −2(0.7)x

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Chose the graph below that represents the following system of inequality’s

What is the frequency of the sinusoidal graph?