In the dilation shown above, the dark-colored figure represents the original image and the light-colored figure represents the resulting image.

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The square root of 9x plus 7 plus the square rot of 2x equall to 7