If and , then I know that but didn't know how to use this, the answer is 6
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you got this : f composition g = sin(x^2-9) finding it's derivative you get this .. cos(x^2-9)*2x ,substituting 3 yields cos(9-9)*2*3=1*6=6 gl
Originally Posted by bigwave If and , then I know that but didn't know how to use this, the answer is 6 So,
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