Assuming you meant the x2 as x squared, then:
(11x+4)(11x-4)
The discount is $2. 2/20 is 0.1 or 1/10 which as a percentage would be 10%. The discount of $2 is <u><em>10%</em></u> off.
Step-by-step explanation:
I think it's 48 square units
Answer:
sqrt(sqrt(x))
Step-by-step explanation:
The problem statement tells you how to do it: take the square root, then the square root of that, using the square root function twice and making the result of one the argument of the other.
Answer:
7 units below the vertex of f(x)
Step-by-step explanation:
