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  • 29-06-2020
  • Mathematics
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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

Respuesta :

Wishing Wishing
  • 29-06-2020

Answer:

C) & D)

Step-by-step explanation:

A)

[tex]y^3-3y+8=\\5^3-3*5+8=\\125-15+8=\\110+8=\\118[/tex]

B)

[tex]2y^2*32=\\2*5^2*32=\\2*25*32=\\50*32=\\1600[/tex]

C)

[tex]3(4y-8)+5(2y+2)=\\3(5-8)+5(2*5+2)=\\-9+5(10+2)=\\-9+5(12)=\\-9+60\\51[/tex]

D)

[tex]y^3-7y=\\5^3-7*5=\\125-35=\\90[/tex]

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