The answer for your question is 4x^2-15x+6+ 2/3x+5
1/2*14m*x <= 112m^2
<span>x<=112m^2/7m=112m/7 =16m </span>
<span>so x<=16m</span>
F ( -1 ) = 2 · ( -1 )³ - 3 · ( -1 )² +7 =
= 2 · ( -1 ) - 3 · 1 + 7=
= - 2 - 3 + 7 = 2
I believe it’s 1/2 because 3/6 chances it’ll be a red marble. And 3/6 is also 1/2