After how many seconds is needed for a thrown ball to reach a 14-cm distance if its distance is given by the relation d=10+40t-5t^2?(t=time in second)

Given the graph below state whether or not the relation is a function, and give the domain and range.

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels