C because if you plug one into the other the answer comes out as x and that is how you know it is an inverse
1: 3.2
2: B. 1.6
3: C. 6.4
4: D. 17.92
I'm unable to see the table for 5, are you able to attach it?
To find the x int, sub in 0 for y and solve for x
3x + 2y - 10 = 0
3x + 2(0) - 10 = 0
3x - 10 = 0
3x = 10
x = 10/3.....so ur y int is 10/3 or (10/3,0)
Check the picture below.
thus is at 0 = -16t² + 96t +640,
well, clearly it can't be a negative value for the elapsed seconds, so it can't be -4.