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Q:

If \(f(x)=3x^2+1\) and \(g(x)=1-x\), what is the value of \((f-g)(2)\)

 

\(12\)

\(14\)

\(36\)

\(38\)

Q:

If \(f(x)=x^2-6x+2\) and \(g(x)=-2x\), find the following composition.

 

\((g\circ f)(-5)\)

Q:

The length of a rectangle is increasing at a rate of \(2\) ft/s, and its width is increasing at a rate of \(5\) ft/s. At what rate is the area of the rectangle increasing when the length is 5ft and the width is \(10\mathrm{ft}\).