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➷ Put -2 everywhere you see x:
f(-2) = 5(-2)
f(-2) = -10
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↬ ʜᴀɴɴᴀʜ ♡
4 and 8/10 but simplified it's 4 and 2/5
72 ÷ o should be the algebraic expression.
PH = -log[H+]
= -log(2*10^-9)
= -(log(2) +log(10^-9))
= -(0.3 -9)
= 8.7
The appropriate choice is
C. 8.7
Answer:
$40.00 - d
thats the expression
