2.3 The graph of a function

2.3 The graph of a function Quiz

IB Maths: Analysis and Approaches HL: Quiz

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  1. 1. Which point lies on the graph of y=2x2−3y = 2x^2 - 3?

    • A. (−2,−11)(-2, -11)
    • B. (−2,5)(-2, 5)
    • C. (2,13)(2, 13)
    • D. (5,−2)(5, -2)

  2. 2. The graph of y=ax+4y = ax + 4 passes through (3,19)(3, 19). Find aa.

    • A. 55
    • B. 7.677.67
    • C. 2323
    • D. 33

  3. 3. f(x)=x2f(x) = x^2 and g(x)=2x+3g(x) = 2x + 3. Find (f−g)(4)(f - g)(4).

    • A. 2727
    • B. 55
    • C. −5-5
    • D. 1313

  4. 4. h(t)=20−5th(t) = 20 - 5t for 0≤t≤40 \le t \le 4. What is the range of hh?

    • A. 0≤h(t)≤40 \le h(t) \le 4
    • B. h(t)≤20h(t) \le 20
    • C. 0≤h(t)≤200 \le h(t) \le 20
    • D. −20≤h(t)≤0-20 \le h(t) \le 0

  5. 5. The graphs of y=f(x)y = f(x) and y=g(x)y = g(x) intersect at x=1.5x = 1.5. Which statement must be true?

    • A. f(1.5)=0f(1.5) = 0
    • B. (f+g)(1.5)=0(f + g)(1.5) = 0
    • C. (f−g)(1.5)=0(f - g)(1.5) = 0
    • D. f(1.5)=1.5f(1.5) = 1.5

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