Number of results: 9

**Precalulus-NEED HELP!**

PLEASE HELP! Compute the difference quotient: [(f(x)- f(a))/(x-a)].. for f(x)= (-1/x^2)

*May 22, 2010 by krista*

**precalulus**

y^2+4y-x+1=0 what is the vertex of this equation and the axis of symmetry for this parabola?

*March 5, 2011 by anonymous*

**Precalulus**

Kindly help with this question. Thanks. Solve the following equation for x. -2/-3x - 7 - 3/2x - 1 = 3/2

*January 23, 2017 by excel*

**precalulus**

use the intermediate value theorem to show that f(x) has a zero in the given interval. f(x) = -x^5 -2x^4 + 5x^3 + 4; [-0.9, -0.8] Stuck!

*December 9, 2011 by james*

**precalulus**

Change the exponentional expression to an equivalent expression involving a logarithm. 7^c = 0.026

*December 17, 2011 by anon*

**precalulus**

Ok feeling kinda dumb because this isn't coming out right. I know it's simple. log6 (x -3) + log6(x -6) - log6(x + 1) = 2

*December 21, 2011 by Anon*

**math- precalulus**

Can someone help me with this prolem please? Use the information given about the angle Ɵ to find the exact value of: sin 2Ɵ. 1) sinƟ= 3/5, 0 < Ɵ < (π/2)

*March 4, 2009 by kayla*

**precalulus**

a ship travels 60 miles due east, then adjusts its course northward. after travelling 80 miles in the new direction, the ship is 139 miles from its point of departure. calculate the ship's bearing.

*March 1, 2016 by anon*

**proof by mathematical induction**

subject is PreCalulus. 2^(k+3) = and < (k+3)! i know how to do proving using mathematical induction when its just an equal sign, but I don't understand what to do when its an inequality. thank you!!! Here is what I would do Step 1: check if it is true for k=1 that is: let k...

*January 5, 2007 by Cait*

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