10/10 ( + 50 )____f(x) = 90x + 7x² - 8x²f(7) = ... ?____UvU#WithJaehyuk.... Question from @ParkJiminCute

ParkJiminCute @ParkJiminCute

August 2022 2 5 Report

10/10 ( + 50 )
____

f(x) = 90x + 7x² - 8x²
f(7) = ... ?

____

UvU
#WithJaehyuk

MasaDepanmuNantiMas

f(x) = 90x + 7x² - 8x²

f(7) = 90.7 + 7.7² - 8.7²

= (90.7) + (7.7.7) - (8.7.7)

= 630 + 343 - 392

= 973 - 392

= 581

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