4. [12 points) Consider the function f(x) = 4x2 16x 15 a. Put the equation in standard form by completing the square: {no credit given for using another method) b. State the vertex c. State the v-intercept d. Find any x-intercepts 5. (1 0 points) Write the equation of any quadratic function such that the function's graph would have a minimum value of 2, that goes through the point {1.6). (there is more than one correct answer!)