PLEASE ANSWER THE 2 QUESTIONS ASAP

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Find the distance between the point (-3,-4), and (see the picture below)

Aquality characteristic of new iphone x made at the amsterdam plant at apple computers has a manufacturing specification (in mm) of 0.200 +/- .07. historical data indicates that if the quality characteristic takes on values greater than 0.27 or smaller than 0.13 the component fails at a cost of20.19. based on these data: determine the taguchi loss function (must show work) calculate an estimated loss for a quality characteristic of .30 calculate an estimated loss for quality characteristic of .40.