What is the x-value of the vertex of f(x) = -x2 + 9x - 11 ?

Describing exponential functionswhich statements describe the function f(x) = 3(1)"? check all that apply.secreo each successive output is the previous output divided by 3.o as the domain values increase, the range values decrease.o the graph of the function is linear, decreasing from left to righto each successive output is the previous output multiplied by 3.o the range of the function is all real numbers greater than 0.o the domain of the function is all real numbers greater than 0.