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1.3 Functions

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Question 42

A drone's altitude hhh in metres is related to the time ttt in seconds after it passes a reference point by the function

h(t)=7t−363,t≥6 h(t) = \frac{7t - 36}{3}, \quad t \ge 6 h(t)=37t−36​,t≥6

Solve the equation

h(t)=h−1(t) h(t) = h^{-1}(t) h(t)=h−1(t)

Select your answer from the options below:

t=5.1t = 5.1t=5.1

t=6t = 6t=6

t=9t = 9t=9

t=12t = 12t=12

[3]
Markscheme

1.3 Functions Questions

  1. A Level
  2. /Maths
  3. /1.3 Functions

181 exam-style questions on OCR (MEI) A Level Maths 1.3 Functions, covering 1.3.1 Operations on polynomials, 1.3.2 Factor theorem, 1.3.3 Definition of a function (A-level only), 1.3.4 Composite functions (A-level only), 1.3.5 Inverse functions and their graphs (A-level only), 1.3.6 The modulus function (A-level only), 1.3.7 Inequalities with a modulus sign (A-level only), and 1.3.8 Functions in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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