(Solved): Let \( f(x) \) be a continuous function, and consider its graph depicted below, where the horizonal ...

Let \( f(x) \) be a continuous function, and consider its graph depicted below, where the horizonal axis is the \( x \)-axis. Note that, to avoid confusion, \( x=1 \) is a zero of this graph. 'Graph generated on https I/hww.desmos com/calculator Find ail intervas of \( x \) where \( f(x) \) is only concave up. Select all that apoly \( (1,8) \) \( (6,8) \) \( 14, \infty) \) \( (-\infty,-2.5) \) \( 6-\infty-1) \) \( (1.6) \) Let \( f(x) \) be a continuous function, and consider the graph of its derivative \( f^{\prime}(x) \) depicted betow, where the horizonal axis is the \( x \)-axis. Note also, to avoid confusion, that you may assume that \( x=8 \) is a zero of this graph. Find a miervals of t where \( /(x) \) is only conesve oown. Seeet a that apply \( (-\infty,-7) \) \( (2, \infty) \)