# Posts by gibbs

Total # Posts: 10

**Math**

Blah !! + 9 is 96

**Maths**

Thanks Mr Reiny

**math**

Thanks ReinY

**math**

1(a) a rectangular plot is bounded at the back by a river. No fence is needed along the river and there is to be an opening in front of about 24 meters. If the cost of fencing in front is $1500 per meter and the cost of fencing on the sides is $1000 per meter, find the ...

**math**

The function f(x)= ax^3 - bx +c passes through the origin, f(-1)=4/3 and it has an extreme point at x=1 (i) Find the values of a, b and c. (ii) Sketch the graph (iii) Find the area bounded by the graph of f(x) and the x-axis between the lines x=-1 and x=1

**math**

Let x-2 be a factor of f(x)=x^3-x^2+ax+b. Find the relationship between a and b

**math**

Evaluate the following limits: (I) Lim. (x+1)/[1-sqrt(4+3x)] X >-1 (II) Lim. (2-3x-5x^2)/(1+2x^2) X >Infinite

**math**

Evaluate the following limits: (I) Lim. (x+1)/[1-sqrt(4+3x)] X >-1 (II) Lim. (2-3x-5x^2)/(1+2x^2) X >Infinite

**math**

Evaluate the following limits: (I) Lim. (x+1)/[1-sqrt(4+3x)] X >-1 (II) Lim. (2-3x-5x^2)/(1+2x^2) X >Infinite

**math**

Evaluate the following limits: (I) Lim. (x+1)/[1-sqrt(4+3x)] X >-1 (II) Lim. (2-3x-5x^2)/(1+2x^2) X >Infinite

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