, 2
Do not write
outside the
Section A box
Answer all questions in the spaces provided.
1 A student states that the product of two irrational numbers is always irrational.
One of the options is a counter example that shows the student’s statement
is incorrect.
Identify the counter example.
Circle your answer.
[1 mark]
1 1
e × 0 = 0 π × π = 1 × √ 6 = √ 3 2 × √ 3 = √ 6
√2
(02)
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G/Jun25/7357/3
,
, 4
Do not write
outside the
3 The function f is defined by box
f (x) = e x for x ∈ ℝ
Identify which one of the following statements describes the function f
Tick () one box.
[1 mark]
Decreasing and concave
Decreasing and convex
Increasing and concave
Increasing and convex
(04)
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G/Jun25/7357/3
Do not write
outside the
Section A box
Answer all questions in the spaces provided.
1 A student states that the product of two irrational numbers is always irrational.
One of the options is a counter example that shows the student’s statement
is incorrect.
Identify the counter example.
Circle your answer.
[1 mark]
1 1
e × 0 = 0 π × π = 1 × √ 6 = √ 3 2 × √ 3 = √ 6
√2
(02)
lock in and max out: tyrionpapers.com for more tyrionpapers.com
G/Jun25/7357/3
,
, 4
Do not write
outside the
3 The function f is defined by box
f (x) = e x for x ∈ ℝ
Identify which one of the following statements describes the function f
Tick () one box.
[1 mark]
Decreasing and concave
Decreasing and convex
Increasing and concave
Increasing and convex
(04)
lock in and max out: tyrionpapers.com for more tyrionpapers.com
G/Jun25/7357/3
