Seudónimo Seudónimo

17-03-2017
Mathematics

contestada

help me i dont understand how to get the answer and plz comment if you r not sure if its right

help me i dont understand how to get the answer and plz comment if you r not sure if its right class=

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ciennabk ciennabk

17-03-2017

you substitute 4 for x
7*4^2 -5

The last one is right
Square 4 multiply then subtract following PEMDAS
Parenthesis
Exponents
Multiply
Divide
Add
Subtract

Answer Link

ohoodfaisal1 ohoodfaisal1

18-03-2017

The last choice, so the answer is
F(4)= 7(4)^2 - 5 = 112 - 7 = 107

Answer Link

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