When y = 5, which of the expressions below will be less than 100? Select all that apply. A) y3–3y+8 B) 2y2×32 C) 3(4y–8)+5(2y+2) D) y3–7y

asked Dec 9, 2021 57.0k views

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Answer:

C) & D)

Explanation:

$y^3-3y+8=\\5^3-3*5+8=\\125-15+8=\\110+8=\\118$

$2y^2*32=\\2*5^2*32=\\2*25*32=\\50*32=\\1600$

$3(4y-8)+5(2y+2)=\\3(5-8)+5(2*5+2)=\\-9+5(10+2)=\\-9+5(12)=\\-9+60\\51$

$y^3-7y=\\5^3-7*5=\\125-35=\\90$

Mfazekas answered Dec 12, 2021

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