Question

Please Help me !!!!!Toney tossed a coin off a 20-foot bridge. The path of the coin's height can be modeled by the equation

h(t)=−16t^2+40t+20
What is the initial velocity of the coin?

Question options:

20 feet per second


16 feet per second


32 feet per second


40 feet per second

Answer 1

40 ft, max height

Explanation:

Nick tossed a penny off a 20 foot bridge.

The path of the penny's height can be modeled by the equation h(t) = -16t^2 + 40t + 20.

Find the maximum height of the penny.

:

Find the axis of symmetry, x = -b/(2a); a=-16, b=40