Answer:

Step-by-step explanation:

Answer: 
Explanation: Denominators of a fraction can be equivalently written as their value to the power of negative 1. In this case the denominator expression itself has an exponent of 6, which taken to the power of negative one becomes -6:

Answer:
9x2 and 9x2
Step-by-step explanation:
The graph of

is shown in the graph below.
The graph is of ∩-shape when the constant

of the quadratic equation

is negative