how do you approximate to the nearest 100th a 0 of a function given f(-8.1)=-16.2 and f(-8.2)=3.8

I am doing an online math course and this is one of the problems i need help with
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1 Answer

thats 2 points...(-8.2,3.8) & (-8.1,-16.2)

kan tri a strate line thru 2 points

slope=deltay/deltax=-20/0.1

slope=-200

y=-200x+konst

extend line from x=-8.1 tu x=0...deltax=8.1

deltay=slope*deltax=-200*8.1=-1620

konst=-16.2 -1620...-1636.2
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