Step-by-step explanation:
since maxima is a point in which a function within a range gives maximum value. And its value is called maximum value of the function over an interval.
Is this part of a question or is this the question if so include the whole question so we can have a better understanding of what you need help with
Answer:
9
Step-by-step explanation:
As x gets large, the only terms of interest are the ones of highest degree.

Answer:
A x>9
Step-by-step explanation:
add 4 to both sides and ta da