4w2 + 3w - 1
5w - 2
Area

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">

 <mrow>

   <mi>w</mi>

 </mrow>

 <mrow>

   <mn>2</mn>

 </mrow>

 <mo>=</mo>

 <mo>&#x2212;</mo>

 <mrow>

   <mn>5</mn>

 </mrow>

 <mfrac>

   <mrow>

     <mi>w</mi>

   </mrow>

   <mrow>

     <mn>4</mn>

   </mrow>

 </mfrac>

 <mo>+</mo>

 <mfrac>

   <mrow>

     <mn>1</mn>

   </mrow>

   <mrow>

     <mn>2</mn>

   </mrow>

 </mfrac>

</math>

Step-by-step explanation:

answer: i don't understand. what are the options

step-by-step explanation:

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50