Write x^2-4x+7 in the form (x+a)^2+b where a and b are constants. please help me

If you apply the changes below to the absolute value parent function, f(x)=\x\, which of these is the equation of the new function? shift 2 units to the left shift 3 units down a. g(x)=\x-3\-2 b. g(x)= \x-2\-3 c. g(x)= \x+3\-2 d. g(x)= \x+2\-3

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is