An arch has the equation y=-2/81x^2+18. Find it’s maximum height

at y = 18 units

Step-by-step explanation:

An arch has the equation y=-2/81x^2+18. Find it’s maximum height

This is a parabolic function

Maximum at the vertex

x = -0/(2*(2/81)) = 0

max  at  y = 18 units

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.

step-by-step explanation: