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Differentiate from the first principle x^2sin(x)?

Find a vector function, #r(t)#, that represents the curve of intersection of the two surfaces. The cylinder #x^2 + y^2 = 81# and the surface #z = xy#?

For what values of x is dy/dx zero and undefined?

Question #69feb

Question #20c50

Question #30ca9

Question #ca9fe

What is the range of the function f(x)= 1 / ( 4 sin(x) + 2 ) ?

How do you find the domain and range of #f(x) = 6/(x4)#?

Question #fb316

How do you find the exact value of #sin((7pi)/6)sin(pi/3) #?

How do you use the halfangle identity to find the exact value of cos(17π/12)?

Question #53368

If the average of 18 consecutive odd integers is 534, what is the least of these integers?

You have #n# pieces of pie to be given out to #k# people, and all #n# pieces are given out. How do you find a formula for the total number of ways to give out pie?

How to find frequency of rotational motion without knowing radius?

How are positrons and electrons similar?

The mean number of seeds in a watermelon is 176 and the standard deviation is 40. What percentage of melons have less than 100 or greater than 225 seeds?

How do you find the slope of the secant lines of #y=2x^2+sec(x)# at #x=0# and #x= pi?#

Question #de09a

Question #730a0

What is the equation of the normal line of #f(x)=(x3)/(x+4)# at #x=3#?