Answer:
all values! x ∈ R
Step-by-step explanation:
The derivative f'(x) = 6x²-6x+12 is a parabola opening upward, with its (positive!) minimum at (0.5, 11.5). If the derivative is always positive, the function must be increasing everywhere!
The answer to the question
Answer: The answer would be B.
Step-by-step explanation:
multiply the denominator by the whole number, 2x9=18
then add the numerator the your answer, 18+7=25
but the denominator stays the same, hence your answer, 25/9
