Ques:--If a real function f is defined by f(X)=2x^2-3,find X such f(X) =15.
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good morning, the answer for your question
x=3
DUT3RIX:
can u pls tell the method
plsssss
f(x)=2x2-3 and the condition is f(x)=15
then, equalate them
15=2x2-3
9=x2
x=3
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