ch3 exam

ch3 exam - 1) B C D A 2)

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1) B C D A 2 ) Find the intervals of increase and decrease for function #10. (5pts)   (-inf, -2) decreasing; (-2,0) increasing; (0, inf) decreasing   (-inf, 0) decreasing; (0, 2) increasing; (2, inf) decreasing   (-inf, -2) increasing; (-2,0) decreasing; (0, inf) increasing   (-inf, 0) increasing; (0, 2) decreasing; (2, inf) increasing Answer : Incorrec t Points: 0 3 ) Find the intervals of increase and decrease for function #14. (5pts)   (-inf, -1) decreasing; (-1, 0) increasing; (0, 1) increasing; (1, inf)  decreasing   (-inf, -1) increasing; (-1, 1) decreasing; (1, inf) increasing   (-inf, -1) decreasing; (-1, 1) increasing; (1, inf) decreasing   (-inf, -1) increasing; (-1, 0) decreasing; (0, 1) decreasing; (1, inf)  increasing Answer : Incorrec t Points: 0 4 ) Determine the critical numbers of function #30 and classify each  critical point as a relative maximum, a relative minimum, or neither. (5pts)   No critical values
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  critical value -1, neither   critical value -1, relative minimum   critical value -1, relative maximum Answer : Incorrec t Points: 0 5 ) Determine the critical numbers of function #26 and classify each  critical point as a relative maximum, a relative minimum, or neither. (5pts)   critical value -1, neither; critical value 0, relative minimum   critical value -1, neither; critical value 0, relative maximum   critical value -1, relative minimum; critical value 0, relative maximum   critical value -1, relative maximum; critical value 0, relative minimum Answer : Incorrec t Points: 0 6 ) Determine where the graph of function #6 is concave upward and  concave downward. (5pts)   x<0; concave down. 0<2; concave up. x>2; concave down.   x<0; concave down. 0<2; concave down. x>2; concave down.   x<0; concave up. 0<2; concave down. x>2; concave up.   x<0; concave up. 0<2; concave up. x>2; concave up. Answer : Corre ct Points: 5 7 )
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Determine where the graph of function #8 is concave upward and  concave downward. (5pts)   x<-2; concave down. x>-2; concave up.   x<-2; concave up. x>-2; concave up.   x<-2; concave down. x>-2; concave down.   x<-2; concave up. x>-2; concave down. Answer : Corre ct Points: 5 8 ) Determine where function #18 is increasing and decreasing, and  where its graph is concave up and concave down. (5pts)   Increases on -1<1. Decreases on x<-1, x>1. Concave up on x<0.  Concave down on x>0.  
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This note was uploaded on 07/22/2011 for the course MATH 2143 taught by Professor Smart during the Spring '11 term at ASU.

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ch3 exam - 1) B C D A 2)

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