Answer:
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Answer:
22.05
Step-by-step explanation:
A is true. There is no vertical line that can intersect this graph twice.
B is false. The function is defined for all

.
C is true. The minimum value of

is

.
D is false. The piecewise function is made of one semicircle and one line, just two functions.
E is also false. The circular arc is a nonlinear function.
Thus, the answer is A and C.
A
x=75°
B
We know that ∠EFG=∠ABF because they are corresponding angles.
We also know that ∠x+∠ABF=180, because angles along a straight line always equal 180:
x+105=180
x=75°