1<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 2 <mrow> 3 <mtable columnalign="right center left"> 4 <mtr> 5 <mtd> 6 <mi>f</mi> 7 <mfenced> 8 <mrow> 9 <mi>x</mi> 10 </mrow> 11 </mfenced> 12 </mtd> 13 <mtd> 14 <mo>=</mo> 15 </mtd> 16 <mtd> 17 <msup> 18 <mi>x</mi> 19 <mn>3</mn> 20 </msup> 21 <mo>−</mo> 22 <mi>a</mi> 23 </mtd> 24 </mtr> 25 <mtr> 26 <mtd> 27 <mi>f</mi> 28 <mo>′</mo> 29 <mfenced> 30 <mrow> 31 <mi>x</mi> 32 </mrow> 33 </mfenced> 34 </mtd> 35 <mtd> 36 <mo>=</mo> 37 </mtd> 38 <mtd> 39 <mn>3</mn> 40 <msup> 41 <mi>x</mi> 42 <mn>2</mn> 43 </msup> 44 </mtd> 45 </mtr> 46 <mtr> 47 <mtd> 48 <mi>f</mi> 49 <mo>″</mo> 50 <mfenced> 51 <mrow> 52 <mi>x</mi> 53 </mrow> 54 </mfenced> 55 </mtd> 56 <mtd> 57 <mo>=</mo> 58 </mtd> 59 <mtd> 60 <mn>6</mn> 61 <mi>x</mi> 62 </mtd> 63 </mtr> 64 </mtable> 65 </mrow> 66</math> 67 68