2.3 Graphs of functions and sketching

2.3 Graphs of functions and sketching Quiz

IB Maths: Applications and Interpretation HL: Quiz

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  1. 1. Which command term requires an accurate graph drawn to scale?

    • A. Sketch
    • B. Draw
    • C. State
    • D. Write down

  2. 2. What is the yy-intercept of f(x)=x2−4x−5f(x)=x^2-4x-5?

    • A. (0,−5)(0,-5)
    • B. (0,5)(0, 5)
    • C. (2,0)(2, 0)
    • D. (0,−9)(0,-9)

  3. 3. Revenue is R(x)=30xR(x)=30x and cost is C(x)=2x2+50C(x)=2x^2+50. What is the profit function?

    • A. 2x2−30x+502x^2-30x+50
    • B. 2x2+30x+502x^2+30x+50
    • C. −2x2+30x−50-2x^2+30x-50
    • D. 32x+5032x+50

  4. 4. What is the horizontal asymptote of T=20+70×0.9tT=20+70\times0.9^t?

    • A. T=90T=90
    • B. T=70T=70
    • C. T=0T=0
    • D. T=20T=20

  5. 5. Which is essential when transferring a graph from your GDC to paper?

    • A. Colour each curve
    • B. Label the axes and mark the key features with coordinates
    • C. Join the plotted points with straight lines
    • D. Include a full table of values

Quiz