Why isn't the answer to TMUA-P1-MM1-006 shown upfront?

The options are lettered without marking the correct one so you attempt TMUA-P1-MM1-006 first — TMUA questions reward spotting the trap before you check the worked solution below.

Do I need a calculator for TMUA-P1-MM1-006?

No — calculators are banned in the TMUA. TMUA-P1-MM1-006 is set for a no-calculator target of about 120 seconds; the worked solution shows the fastest by-hand route.

Which TMUA specification point is TMUA-P1-MM1-006?

TMUA-P1-MM1-006 is Paper P1 · Algebra and functions (specification code MM1), level 1. Drill more of the same topic from this page.

TMUA-P1-MM1-006 — Paper P1 · Algebra and functions · Level 1

P1MM1Level 1~120s target

Spec: MM1 · No calculator · ~120s

Let

f(x) = 3x - 7

. What is the value of

f(5)

Options

$8$
$5$
$15$
$-8$
$22$

Letters only — the answer key is hidden. Work it out, then check the solution below.

Hint (check trope)

No written hint yet — check the trope: function-substitution. Name the trap first, work the stem by hand, then open the solution below.

Show solution

Substitute directly:

f(5) = 3 \times 5 - 7 = 8

Keep practising

Same topic · same level
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Simplify 2^3 × 2^5/2^4.
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Open TMUA-P1-MM1-002 →
Same trap: function-substitution
P1M-NumLevel 1
TMUA-P1-MNUM-015
Let f(x) = 2x^2 - 3x + 1. What is the value of f(3)?
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Open TMUA-P1-MNUM-015 →
Step up a level
P1MM1Level 2
TMUA-P1-MM1-001
The equation x^2 + kx + 9 = 0 has two equal real roots. What is the sum of all possible values of k?
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Open TMUA-P1-MM1-001 →

Browse more

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Keep practising

Same topic · same level

P1MM1Level 1

TMUA-P1-MM1-002

Simplify 2^3 × 2^5/2^4.

Algebra and functions

Open TMUA-P1-MM1-002 →

Same trap: function-substitution

P1M-NumLevel 1

TMUA-P1-MNUM-015

Let f(x) = 2x^2 - 3x + 1. What is the value of f(3)?

Number

Open TMUA-P1-MNUM-015 →

Step up a level

P1MM1Level 2

TMUA-P1-MM1-001

The equation x^2 + kx + 9 = 0 has two equal real roots. What is the sum of all possible values of k?

Algebra and functions

Open TMUA-P1-MM1-001 →

TMUA-P1-MM1-006 — Paper P1 · Algebra and functions · Level 1

Options

Keep practising

Master Algebra and functions

TMUA-P1-MM1-006 — Paper P1 · Algebra and functions · Level 1

Options

Keep practising

Master Algebra and functions