Question: Question 7 Mark this question Determine the interval(s) over which the graph of y = - x*- 8x*+5x -7 is concave up or concave down.

Question 7 Mark this question Determine the interval(s) over which the

graph of y = - x*- 8x*+5x -7 is concave up or

Question 7 Mark this question Determine the interval(s) over which the graph of y = - x*- 8x*+5x -7 is concave up or concave down. Concave up on ( - 4, 00) O Concave down on ( - oo, - 4) Concave up on ( - 00, - 4) O Concave down on ( - 4, co) Concave up on ( - oo, - 4) U(0, co) O Concave down on (- 4, 0) Concave up on (- 4, 0) O Concave down on ( - oo, - 4) U(0, Do)

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