Answer:a
Step-by-step explanation:
Put the value of x = -1 to the equation of a function f(x):

Answer:
x = 57°
Step-by-step explanation:
The angle not 76° or x° is 180-133 which is 47°. A triangles angles always sum up to 180° so:
76°+47°+x°=180°
123°+x°=180°
x°=57°
Separate the shape in to separate rectangles
Then Separately find the areas of the rectangles
Answer will be the sum of all areas
Which = d) 109