Which function is represented by the graph?

f(x) = −2|x| + 1
f(x) =-1/2 |x| + 1
f(x) = -2|x + 1|
f(x) = -1/2 |x + 1|

i posted the problem just in case you need it.

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Aconstruction worker needs to put a rectangular window in the side of a building he knows from measuring that the top and bottom of the window have a width of 8bfeet and the sides have a length of 15 feet he also measured one diagonal to be 17 feet what is the length of the other diagonal