Recent content by luludatis

i don't think so...

never used it, she did not teach it to us, so calculator it is :] thank you!

Homework Statement For the function f(x)=4x3-2x2-8x+2, the slope at any point on f(x) can be calculated using the equation m(x)=12x2-4x-8 Weirdly enough, I was able to answer all other 5 questions about this, except for the basics: What are the zeroes of f(x) Homework Equations...

oooooooooooooooh! great! that fixes everything! thank you!

...i'm confused :P

Homework Statement Find x base of triangle: 2 pieces, 8+12 opposite end: x angle: \Theta ; angle formed by triangle of 8 units and x : 2\Theta Homework Equations tan\Theta = opp/adj tan 2\Theta = 2tan/1-tan2 The Attempt at a Solution tan\Theta= x/20 tan 2\Theta = x/8...