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amm1812
3 years ago
11

Determine whether the function has a maximum or minimum value. f(×)= x^2+9

Mathematics
2 answers:
PtichkaEL [24]3 years ago
3 0
f(x)= x^2+9\\\\for\ each\ x\in R\\\\x^2 \geq 0\ \ \ \Rightarrow\ \ \ x^2+9 \geq 9\ \ \ \Rightarrow\ \ \ f(x) \geq 9\\\\y_{min}=9\\ y_{max}\ \ \ \rightarrow\ \ \ not\ exist
miv72 [106K]3 years ago
3 0
a>0 so the function has a minimum, but no maximum.
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