do all 3 of them!

1. Use the figure below to answer each question. a. the domain of f b. the range of f c. the zeros of f d. f(0) e. intervals on which f is increasing f. intervals on which f is decreasing g. values of x for which f(x) = 0 h. any relative maxima and the numbers at which they occur y = f(x) i. the value of x for which f(x) = 4 b. g. d. 2. For the following problems, let f(x) = x2 + 3x - 4. Find the difference quotient: f ( x + h) - f(x) h 3. Evaluate the function at the given values of the independent variable and simplify. f(x) = x2 - 5x - 6. a. f(-1) b. f (x+2) c. f (- x )