Peter wrote inside an equation that models the number of hours it takes to dig a well to a level of 72 feet below sea level. Which statement is true about peter solution?

x=30

step-by-step explanation:

there is no question content here, but you for the free points! : d

12cm

the answer is d

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)