AB and BC are perpendicular lines. CD and EF are parallel lines. h
AB is a straight line.
А
135°
с.
A
р
>D
9
і
249
E
F
xo
k
24°
B
с
B В
An angle of size 135° is shown.
b) (i) Write down the letter of one other
angle of size 135° giving a reason for
your answer on the same line.
(2)
a) Find the value of x.
(2)
+
o
Fort
Fort
(ii) The size of angle p + q + r is
(1)
Total marks: 5
ABO
Reco
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Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done