A groundskeeper needs grass seed to cover a circular field,290 feet in diameter. A store sells bags of grass seed. One bad seed covers about 2,000 squared feet of the field. What is the are of this field?

What is the smallest number of bags the groundskeeper must buy to cover the circular field?

answer is because 4×10=40

and 98×4= is 392

40,392

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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)

391.6 is the correct answer