Determine the axis of symmetry for the function f(x) = −4(x + 7)2 − 3. X = 3 x = −3 x = 7 x = −7.

At work claire has a deadline that is rapidly approaching. as she works, she finds that she is doing more work in a shorter amount of time than usual. she thinks mor quickly, and her senses and memory are sharper. what is responsible for claire working more effectively?