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Let \($f(a,b) = 2a - 3b^2 + 7$. \) if \($f(k,3) = 90$ \)

then what is k

 Mar 2, 2023
 #2
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its basically saying solve for a when b=3

2a -3(3^2)+7=90

2a=110

a or k  = 55

 Mar 2, 2023
 #3
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you got it correct! yay

Guest Mar 2, 2023

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