If f(x)=2x^(2)+5\sqrt((x-2)) then f(6)= what

Does the point (1, sqrt 7) lie on circle shown.

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.