calculus need help asap

6. Let A(x) = / f(f)dt where the graph of f (t) is shown below. Calculate the following. (a) (4 points) A(4) (d ) ( 4 points) 'stelde (b) (4 points) A(7) (e) (4 points) A'(5) (c) (4 points) [fthat (f) (4 points) Find the x-value(s) for which A(x) = 0. Approximate if necessary