Find the derivative of the function f(x) = 3x^2 + 4x - 7.
+
What are the characteristics of the cosine function f(x) = cos x? How does it relate to the unit circle? What is its period, amplitude, and range? How is it different from the sine function? How many x-intercepts does it have in one full period?
+
What is the equation of a hyperbola with a center at (1,3), a vertical transverse axis of length 10, and eccentricity 2?