MATH112 Mod4 Discussion.docx

# MATH112 Mod4 Discussion.docx - My CIN is 26598 1 Find the...

This preview shows pages 1–2. Sign up to view the full content.

My CIN is 26598 1) Find the second derivative of: 9 x + 6 ¿ 4 f ( x ) = ¿ and evaluate at x=3 Use the Chain Rule to find the first derivative: 9 x + 6 ¿ 3 9 x + 6 ¿ 4 = 36 ¿ ¿ Use the Chain rule again to find the second derivative: 9 x + 6 ¿ 2 9 x + 6 ¿ 3 = 972 ¿ 36 ¿ Substitute X=3 into the equation: ( 9 3 ) + 6 ¿ 2 972 ¿ 27 + 6 ¿ 2 972 ¿ 972 33 2 972 1,089 = 1,058,508 The answer to part one is 1,058,508 2) Find the equation to the line tangent to the following curve at x=1. Answer in y=mx+b format. y = 2 x 2 2 + 5 x 9 Find the tangent point by plugging x=1 into the equation:

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

0/0 PREVIEWS LEFT

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern