hello please someone help me to answer all this question and please show your solution

thank youn so much!

1) (8 points) Circles: a) Write the standard form of the equation of the circle with radius r = 2 and the center (1,1). b) Find the center and the radius of the circle 4(3: 3)2 + 4y2 : 4. 2x+3 ()_ 4:5 3:132'91: 3:c2' 2) (10 points) Let f(?) = 333-1-4, G(:c) 22313 Mac) 2 V33; 12, F(1:) = a) Find the domain of h($) b) Find the function (F + G) (3:) and its domain. c) Find the function '52:) and its domain