Math question: For the parabola function 𝑦 = ax^2, if the vertex is at (3, 4) and one other point on the parabola is (6, 9), can you find the value of 'a'?
+
What is the amplitude, period, and y-intercept of the cosine function f(x) = cos x?
+
What are the characteristics of the cubic function f(x) = x^3? Domain, range, end behavior, local extrema, symmetry, and x-intercepts are the topics.