Friday
December 6, 2013

# Posts by brian

Total # Posts: 567

Calculus
Find the equation for a line which passes through the points (–1, 1) and (3, –7). Write the equation in slope-intercept form. Show work.

Calculus
Let f (x) = 5x^2 – 9 and g(x) = x – 3. (a) Find the composite function ( f o g)(x) and simplify. Show work. (b) Find ( f o g)(2) . Show work.

Calculus
Suppose that sin q = − 12/13 and that q is a Quadrant IV angle. (a) Find the exact value of cos q. Show work. (b) Find the exact value of sin 2q. Show work.

calculus
A projectile is launched from a platform 20 feet high with an initial velocity of 72 feet per second, The height h of the projectile at t seconds after launch is given by h = –16t2 + 72t + 20 feet. (a) How many seconds after launch does the projectile attain maximum heigh...

chem 2
E 0.30

calculus
ok got it. thank you. i also solve for y and plug it in right? so i can solve for x.

calculus
just a note i now know how to do it but the method to do it will literally take up like 4 pages. if i solve for y=f(x) and use the equation for the curve, k. please tell me im missing something that will make this simpler.

calculus
find the point (or points) where the ellipse 9x^2+4y^2=36 has maximum curvature. don't even know where to start with this one.

calculus
if (g(x)=x,f(2)=7,and f'(2)=6. what is g'(&)?

geometry
the area of a triangle is 6x^2-x-15. find its height if the base of the triangle is 2x+3

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