Functions

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These online videos and calculus study materials can help you find the zeros of a polynomial function, transform and reflect functions, graph integer power functions and greatest integer functions, and more. Try one today—they're 100% free.
find the trigonometric value in the specified quadrant; function: sin theta= -3/5 quadrant 4 trionometric value: cos theta

I need help on finding the domains of a function. How do I find the domain? For example what would the domain be for x^2+2x-1

solve the equation. 1.) 2x^3-9x^2+3x+4=0 2.) x^3+2x^2-x-2=0

The graph of the derivative f' of a continuous function f is shown. (a) On what intervals is f concave upward? Concave downward? (b) State the x-coordinate(s) of the point(s) of inflection. (c) Assuming that f(0)=0, sketch a graph of f.

Find all solutions in the interval [0, 2pi): sin2x= 0. Use a graphing utility to verify your results. a) none of these b) pi/2, 3pi/2 c) pi/4, 3pi/4, 5pi/4, 7pi/4 d) 0, pi e) 0, pi/2, pi, 3pi/2

express the volume of a sphere as a function of its surface area

Can you help me?

Sketch the graph of y=f(x+2) - 1, where f(x)=x^2 for x is less than or equal to 2 and greater than or equal to -2

find the difference quotient and simplify your answer

give the exact values of sec pi A. 1 B. nonw c. undefined d. 1/2 e. -1

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