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( + 7)* Let f be defined by f(x) For the following, no decimal entries allowed. For parts (d) and (e), remember that you can/ 3 Given the following function f(x) = - 40(r 97)27 119 (1) Find f(x) = Preview (2) Find f (x) Preview (3) The function ha(6) Find the open interval(s) where f is increasing (7) Find the open interval(s) where f is decreasing (8) Therefore, by the

Really need help on those two!! Show steps!!

( + 7)* Let f be defined by f(x) For the following, no decimal entries allowed. For parts (d) and (e), remember that you can enter your answer as an expression and let wamap be the calculator (a) List the critical valuc(s) of f. If there is more than onc, list them separated by commas. Preview (b) Find wheref is decreasing. Answer in interval notation Preview (c) Find where f is increasing. Answer in interval notation. Preview (d) Find any local minimum values of f Preview (e) Find any local maximum values of f Preview
/ 3 Given the following function f(x) = - 40(r 97)27 119 (1) Find f'(x) = Preview (2) Find f '(x) Preview (3) The function has one critical number. The critical number is Preview (4) Evaluate f''(x) at this critical and value and enter the result here: Preview (5) Therefore, by the second derivative test, at this critical value The function is concave up and there is a relative maximum The function is concave down and there is a relative minimum The results are inconclusive The function is concave down and there is a relative maximum The function is concave up and there is a relative minimum (6) Find the open interval(s) where f is increasing: (7) Find the open interval(s) where f is decreasing (8) Therefore, by the first derivative test, at the critical value There is a relative minimum at the critical value There is a relative maximum at the critical value The results are inconclusive (9) The local (or relative) minimum value of f is Preview
(6) Find the open interval(s) where f is increasing (7) Find the open interval(s) where f is decreasing (8) Therefore, by the first derivative test, at the critical value There is a relative minimum at the critical value There is a relative maximum at the critical value The results are inconclusive Preview (9) The local (or relative) minimum value of f is (10) The local (or relative) maximum value of f is Preview
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ta G (+7)(a+7). sa (a+ 7)S [6 +5(2+ 7) ( Fer critical 2 0 a (2+7) (112+35) 0 22-7 n -35 Inweesing (-0,-7) v (-3, 0) u (0, c Decreasing (-7,- LI -7) Local maxiunum at f(-7) = -7) (-7+7) Local Mar imum value Local m

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