Calculus

Finding local Maxima,Minima and Saddle Points

f(x,y)=(56x^2-8y^2-16x-31)^1/2+1-8x

directional derivative

Given: f is a multivariable function defined by f(x, y) = x^3y – x^2y^2 where x and y are real variables A.  Pick a specific point P0 = (a, b, f(a, b)) on the surface z = f(x, y), other than (0, 0, 0) or (3, 21, -3402). Note: You may use whimsical values for a and b, such as the month and day of your birthday. For example, March 21st becomes a=3 and b=21, […]

Reference angle

What is the reference angle of 840?

(x)=4x^2, find f(x+h)

(x)=4x^2, find f(x+h)

Good Challenge-Mathematics Question

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New Challenge 

Exam Challenge..,

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45 to the power of x-3 times 75 to the power of 4

45 to the power of x-3 times 75 to the power of 4-x divided by 25 to the power of x times 15 to the power of x +2

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Find dx/dy of 2x^3+2xy+y^2=9 Find dx/dy of 2x^3+xy^2+lnx=19 Find limit x->infinity (2x^3-3x+6)/(5x^3-4x^2+6) Critical values for f(x)= x^3-x+2 Find limit x->infinity (42x^2-x+4)/(5x^3-3x^2+8x+6)

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