Answers needed.

Question

Sketch the graph of f(x) = x2-14x + 49 using desmos.com/calculator

Identify the following:

Domain: _____________

Increasing Interval(s): _____________

Decreasing Interval(s): _____________

Answer 1

y = (x-7)^2

domain is all real numbers

range is y equal to or greater than 0, all non negative real numbers

f(x) is increasing for x greater than 7

and decreasing for x less than 7