2x + 4 = 3x - 10
-2x and +10 to both sides
14 = x
the answer is x = 14
Factor f(t) and you can identify the values of t for which the height is zero.
.. f(t) = -16t(t -3)
The projectile lands after 3 seconds in the air. (selection A)
The answer is A) because the parabola is less than 3 (open circle) and the line is greater than and equal to 3 (closed circle)
I say its 11. Since the distance between the two points is 11.