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1. ### AP Calc problem!!!!!!!!!!!!?

at x=3, f(x)=5, with a slope of 1.1. So, f(x)=mx+b, 5=1.1(3)+b --> b = 5-3.3 = 1.7 f(x) = 1.1x+1.7 at x=3 g(x) = -4 with a slope of 0.7 g(x) = mx+b, -4 = 0.7(3)+b --> b=-4-2.1 = -6.1 g(x) = 0.7x - 6.1 f(x)*g(x) = (1.1x+1.7)(0.7x-6.1) = .77x^2-5.52x-10.37 [f(x)*g(x)]' = 1.54x-5.52 @x=3: 1.54(3)-5.52 = 4.62-5.52 = -0.9

1 Answers · Science & Mathematics · 11/02/2013

2. ### AP Calc help plz!!!!?

y'(x) = 3x^2 + 2x - 1 = 0 at the tangents solve for the two values of x, (x = -1 and x = 1/3) plug them into y(x) and then subtract the differences

3 Answers · Science & Mathematics · 11/02/2013

3. ### AP Calc help plz!!!!!?

Assume the lines intersect the parabola at the point (x, x^2 + x). It then follows that: dy/dx = 2x + 1 = (x^2 + x + 3)/(x - 2) 2x^2 - 3x - 2 = x^2 + x + 3 x^2 - 4x - 5 = 0 (x - 5)(x + 1) = 0 x = 5, -1

1 Answers · Science & Mathematics · 10/02/2013

4. ### How many kilometres does Maybell have to walk?

4 + 0 + 4 + 8 + ........ + = 4 + an AP with a = 0, d = 4, n = 199 but remember that you don't return after last post is fixed, so subtract 1/2 of the last term of 198*4 S = 4 + (199/2)(2*0 + 198*4) - 198*2 = 78412m = 78.412 km <-------

1 Answers · Science & Mathematics · 10/02/2013

5. ### How do I know how much of one circle is visible from another?

...the length of the corresponding side of BQP. Thus, we know AP is 4 times as long as BP, which means AB...

2 Answers · Science & Mathematics · 23/01/2013

6. ### Find the solutions of x if 6x^4-34x^3+x^2+7x-1=0. Thanks.?

... : y^4 + (4p+a) y^3 + (6p^2+3ap+b) y^2 + (4p^3+3ap^2+2bp+c) y + p^4+ap^3+bp^2+cp+d if we take 4p+a=0 or p=-a/4, the coefficient of y^3 becomes...

2 Answers · Science & Mathematics · 07/01/2013

7. ### Arithmetic Sequence Question?

a) is not an AP since -6 - 8 ≠ 4 - (-6).

3 Answers · Science & Mathematics · 03/01/2013

8. ### CALLING ALL MATH EXPERTS, 2 MATH PROBLEMS NEED ANSWERS!?

nth term of a AP is Tn = a + (n -1)*d ; where a = first term, d is common...

2 Answers · Science & Mathematics · 06/01/2013

9. ### Does chemistry use math or not?

...regardless of whether or no you're good at math. If you plan on taking AP Chemistry, then you're going to be exceptionally good at math. ...

3 Answers · Science & Mathematics · 16/12/2012

10. ### Linear Algebra Diagonalize a maxtrix?

...3), the diagonal matrix of eigenvalues. Check that P^(-1) AP = D. I hope this helps!

1 Answers · Science & Mathematics · 05/12/2012