Consider the function has a root in the interval [0, 1]. Question 7.3 f(x) = 4 x-2 0 Determine at which values of a the function f(x) is continuous. If the function is not continuous for some value of z, describe which condition of continuity fails and classify the discontinuity. Question 7.2. Prove, using complete sentences, that the function f(x) = 5x + 2x cos(x) - 1 # 3 Compute the limit 2-x lim x+4 (x-4) Justify your answer algebraically using limit laws and/or signs of the numerator and denominator. Confirm your result graphically (using a graph) or numerically (using a table of values).