Thursday

February 23, 2017
Total # Posts: 15

**derivative**

The final answer in the book is (-12x)(4x-1)(3-4x)^3 This book has had several errors so far.

*June 11, 2011*

**Supply & Demand**

Thanks. Was having difficulty setting up equation. Finally got right answer.

*June 6, 2011*

**Calculus**

Determine all values of x for which each function is discontinuous. F(x)= 3x+4 / 4x^2 - 2x -2

*June 6, 2011*

**Calculus**

Yes, I know. The book has the answer as 1/2. Maybe book is wrong.

*June 6, 2011*

**Calculus**

Lim x approaching 1- (Square root 1-1)/( x-1) Typing this from my iPad. Pain in the a**.

*June 6, 2011*

**Calculus**

Find the indicated limits. Lim x-> 1- sqrt 1 - 1/ x-1

*June 6, 2011*

**Algebra**

Find the value of c such that the point (4,2) lies in the graph of f(x)= cx^2+3x-4.

*June 6, 2011*

**Calculus**

Thanks so much. Got it!

*June 6, 2011*

**Calculus**

Let f(x)=2x^2-x+1. Find: F(x-1) + f(x+1) I am not sure how to set up problem.

*June 6, 2011*

**Algebra**

I understand that. Problem is that I am not getting the same answer as the book. Sqrt 2/2 and - sqrt 2/2

*May 31, 2011*

**Algebra**

Solve by factoring. 2x^4 + x^2 = 1

*May 31, 2011*

**Algebra**

Find an equation of the line L that passes though the point (-2,4) and satisfies the condition. L passes through the point (3, 7/2)

*May 30, 2011*

**Algebra**

Simplify. 2/3(4x/2x^2-1)+3(3/3x-1)

*May 30, 2011*

**Statstics**

I know that I am supposed to use harmonic mean. Just not sure how to set up formula.

*May 3, 2011*

**Statstics**

Cities A, B, C and D are equidistant. That is, B is d miles from A, C is d miles from B, and D is d miles from C. Suppose you travel 55 mph from A to B, 40 mph from B to C, and 50 Mph from C to D. What single, constant speed could you have traveled from A to B to C to D that ...

*May 3, 2011*

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