Got a question Im not too sure about D; 1.a) y= (2x+3)(x-2)(x+1) i) Sketch the graph ( I know how to do this ) ii) State the domain over which the function is decreasing. Please explain it, Thanks.
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Originally Posted by Klutz Got a question Im not too sure about D; 1.a) y= (2x+3)(x-2)(x+1) i) Sketch the graph ( I know how to do this ) ii) State the domain over which the function is decreasing. Please explain it, Thanks. function is decreasing over the intervals where y' < 0
so is it where the gradient is negative?
Originally Posted by Klutz so is it where the gradient is negative? That is what post #2 said.
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