Question: On what interval(s) is the function y = -7x2 + 8x /7 both increasing and concave down On what interval(s) is the function y 7c2

On what interval(s) is the function y 7c2 + 8cl/7 both increasing

and concave down?

On what interval(s) is the function y = -7x2 + 8x /7 both increasing and concave down

On what interval(s) is the function y 7c2 + 8cl/7 both increasing and concave down?

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