Question

A boy throws a rock off a cliff. The function shown below models the flight of the rock, where x equals the distance the rock is from the cliff in yards. What is the highest point the rock achieves?

f(x)= -x^2+4x+12

Answer 1

im pretty sure its 12

Explanation:

you would substitute x for 0 and then you're just left with 12

hope this help :))