10:49 Course MATH 132-CO3 Busin... . . . Problem 10. (1 point) Problem 12. (1 poi Let f(x) = = _ 2+3. Let 1. Find f' (x) = (A) Use interval n 2. Find the critical numbers for f. Enter your answers as a list Note: Use 'INF of comma separated numbers (for example: 2, -4/3 ) symbol. Increasing: (B) Use interval n 3. By hand, find the intervals where f is increasing and de- Decreasing: creasing. Then, use the drop down list below to identify the sign of the derivative f' on the intervals you have identified. (C) List the x valu maxima, enter 'N . Select the correct sign chart for f' x values of local m . t. +.+ . +,+,- (D) List the x valu . +.-,+ minima, enter 'NO . +.-,- x values of local m . -.t.+ Answer(s) submitted . -,+,- . no response . no respons . -,-,+ . no respons . no response submitted: (incorr 4. Identify the x values where f achieves a local maximum and recorded: (incorre minimum. Enter DNE if no such extrema exists. Maxima occur at x = Minima occur at x = Answer(s) submitted: . no response . no response . no response no response no response submitted: (incorrect) recorded: (incorrect) Problem 11. (1 point) For the function f (x) = x -75x, its local maximum is which occurs at ( its local minimum is which occurs at (. Answer(s) submitted: . no response . no response no response no response submitted: (incorrect) recorded: (incorrect) A Stream Courses Calendar More10:49 Course MATH 132-CO3 Busin... . . . Problem 8. (1 point) machines is Let f(x) = 2x3 +5. Find the open intervals on which f is increas ing (decreasing). Then determine the x-coordinates of all relative maxima (minima). achine. f is increasing on the intervals N t of producing the f is decreasing on the intervals . The relative maxima of f occur at x = 4 . The relative minima of f occur at x = Notes: In the first two, your answer should either be a single in- terval, such as (0,1), a union of intervals, or the word "none". In the last two, your answer should be a comma separated list of x values or the word "none". Answer(s) submitted: . no response . no response . no response no response h of submitted: (incorrect) recorded: (incorrect) Problem 9. (1 point) Let f(x) =6-x-x. Find the open intervals on which f is in- creasing (decreasing). Then determine the x-coordinates of all rel- ative maxima (minima). f is increasing on the intervals N - f is decreasing on the intervals 3. The relative maxima of f occur at x = 4. mum values of the The relative minima of f occur at x = Notes: In the first two, your answer should either be a single in- terval, such as (0,1), a comma separated list of intervals, such as (-inf, 2), (3,4), or the word "none". not exist. In the last two, your answer should be a comma separated list of x values or the word "none". Answer(s) submitted: . no response no response no response no response submitted: (incorrect) recorded: (incorrect) Stream Courses Calendar More