F(x)=−5xf(x)=−5x
g(x)=8x2−5x−9g(x)=8x2−5x−9
find (f⋅g)(x)(f·g)(x).
select one:
a. −40x4+25x3+45x2−40x4+25x3+45x2
b. −40x2+25x+45x−40x2+25x+45x
c. −40x3−5x−9−40x3−5x−9
d. −40x3+25x2+45x

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

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