A rectangular plot of ground containing A = 622 is to be fenced within a large l

Question

A rectangular plot of ground containing A = 622 is to be fenced within a large lot. Screen Shot 2018-02-20 at 12.28.31 PM Q Search View Zoom Share Highlight Rotate Markup Search A quadratic function is given y=x2 + 6x + 10 (a) Express the quadratic in standard form (a) Express the perimeter of the plot as a function of the width p(w) = (b) Find any axis intercepts. What is the domain of this function? [0, 1244) (x, y) = O to, 622] O to, 311] (c) Find the minimum y-value of the function (b) Use a graphing device to approximate the dimensions of the plot that requires the least amount of fence. (Round your answers to one decimal place.) width ft length ft

Explanation / Answer

y = x^2 + 6x + 10

expressing in standard form

y = ( x + 3)^2 - 9 + 10

y = ( x+3)^2 + 1

vertex = ( -3 , 1 )

b) axis intercepts are

( 0 , 10 )

c) the minimum y value of the function is 1

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