3 years ago

Which expression is equivalent to 20c - 8d?

Mathematics

1 answer:

bagirrra123 [75]3 years ago

6 0

C.

if you multiply the 4 on each numbers inside of the parentheses then you’ll get ‘20c-8d’

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4 years ago

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<h2>Answer:</h2><h3>f(4) = 122</h3>

________________________________________________

<h3>Calculate</h3>

$Substitute\ x=4\ into\\ f(x)=7x^2+4x-6$

_________________________________________________

<h3>Substitute</h3>

$f(4)=7\times 4^2+4\times 4-6$

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$f(4)=7\times 16+4\times 4-6$

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$f(4)=128-6\\ f(4)=122$

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