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Papers 1 and 2 · Pure
2.7 Algebra and functions
Question 1 · 7 marks
Calculator allowed
Spec and skills
Paper scope: Pure 1/2
Spec P2.7
Original practice question
The function
f
f
f
is defined by
f
(
x
)
=
∣
2
x
−
5
∣
f(x) = |2x - 5|
f
(
x
)
=
∣2
x
−
5∣
,
x
∈
R
x \in \mathbb{R}
x
∈
R
.
(a)
Write down the coordinates of the point where the graph of
y
=
f
(
x
)
y = f(x)
y
=
f
(
x
)
meets the
x
x
x
-axis.
1 mark
(
,
)
xⁿ
a/b
√
π
(
)