G ( x ) = 2 - ( x - 7 )² g ( x ) = 2 - ( x² - 14 x + 49 ) g ( x ) = 2 - x² + 14 x - 49 g ( x ) = - x² + 14 x - 47 The maximum of the function is at: x= - b / 2 a x = - 14 / ( - 2 ) = 7 Therefore the function is increasing form x ∈ ( - ∞, 7 ) and decreasing for x ∈ ( 7, +∞ ). Answer: C. increasing, x < 7; decreasing x > 7.
I don't understand what you mean by "720 7 7 to the 4 over 5 power", but for "<span>the fourth root of 7 to the fifth power 7 to the 5 over 4 power</span>" it would be 7^5 (seven to the power of 5)
