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Grade 12 practice chapters

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  1. Grade 12 · Chapter 41

    Average function values · Multiplier a=2.5; Power p=1

    Use the interval 0≤x≤1.28. Find the endpoint value, integral, and average function height. Givens: Multiplier a=2.5; Power p=1.

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  2. Grade 12 · Chapter 42

    Washer volumes · Outer radius factor a=3; Inner radius factor b=0.4

    Use 0≤x≤1.2 and inspect the cross-section at x=1.2. Calculate the outer radius, washer area, and accumulated volume. Givens: Outer radius factor a=3; Inner radius factor b=0.4.

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  3. Grade 12 · Chapter 43

    Differential growth models · Initial amount a=2.5; Rate k=-0.1

    Evaluate at t=2.4 time units. Find the amount, instantaneous rate, and multiplier relative to the initial amount; check the rate against the given differential equation. Givens: Initial amount a=2.5; Rate k=-0.1.

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  4. Grade 12 · Chapter 44

    Binomial probability · Trial count n=6; Success probability p=0.25

    Use success count k=4. Calculate P(X=k), P(X≤k), and the expected count. Givens: Trial count n=6; Success probability p=0.25.

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  5. Grade 12 · Chapter 45

    Vector components and angles · Vector length r=3; Final angle (degrees)=75

    Evaluate at the signed angle θ=45° (three fifths of that final angle). Find its dot product with (1,0), its vertical component, and its length. Givens: Vector length r=3; Final angle (degrees)=75.

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  6. Grade 12 · Chapter 46

    Cubic derivatives · Cubic coefficient a=0.5; Linear coefficient b=-0.5

    Evaluate at x=0.4. Find the function value and first and second derivatives at that input. Givens: Cubic coefficient a=0.5; Linear coefficient b=-0.5.

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  7. Grade 12 · Chapter 47

    The product rule · Linear shift a=0.5; Exponential rate b=0.25

    Evaluate at x=0.2. Find the product value, its derivative, and the contribution from differentiating the exponential factor. Givens: Linear shift a=0.5; Exponential rate b=0.25.

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  8. Grade 12 · Chapter 48

    Implicit circle tangents · Circle radius r=1; Final angle (degrees)=60

    Use angle θ=36°. Find both coordinates and the tangent slope; identify a vertical tangent instead of dividing by zero when necessary. Givens: Circle radius r=1; Final angle (degrees)=60.

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  9. Grade 12 · Chapter 49

    Signed accumulation · Slope a=3; Subtracted intercept b=2.5

    Integrate on 0≤x≤2.4. Find the signed integral, total geometric area, and zero crossing of the line. Givens: Slope a=3; Subtracted intercept b=2.5.

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  10. Grade 12 · Chapter 50

    Substitution and bounds · Exponent factor k=0.35; Final upper bound B=1.75

    Integrate from x=0 to x=1.05. Find the transformed upper bound under u=kx² and the exact integral, then give a decimal approximation. Givens: Exponent factor k=0.35; Final upper bound B=1.75.

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  11. Grade 12 · Chapter 51

    Average function values · Multiplier a=3; Power p=2

    Use the interval 0≤x≤1.28. Find the endpoint value, integral, and average function height. Givens: Multiplier a=3; Power p=2.

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  12. Grade 12 · Chapter 52

    Washer volumes · Outer radius factor a=1; Inner radius factor b=0.1

    Use 0≤x≤1.2 and inspect the cross-section at x=1.2. Calculate the outer radius, washer area, and accumulated volume. Givens: Outer radius factor a=1; Inner radius factor b=0.1.

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  13. Grade 12 · Chapter 53

    Differential growth models · Initial amount a=3; Rate k=0

    Evaluate at t=2.4 time units. Find the amount, instantaneous rate, and multiplier relative to the initial amount; check the rate against the given differential equation. Givens: Initial amount a=3; Rate k=0.

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  14. Grade 12 · Chapter 54

    Binomial probability · Trial count n=7; Success probability p=0.3

    Use success count k=4. Calculate P(X=k), P(X≤k), and the expected count. Givens: Trial count n=7; Success probability p=0.3.

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  15. Grade 12 · Chapter 55

    Vector components and angles · Vector length r=0.5; Final angle (degrees)=15

    Evaluate at the signed angle θ=9° (three fifths of that final angle). Find its dot product with (1,0), its vertical component, and its length. Givens: Vector length r=0.5; Final angle (degrees)=15.

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  16. Grade 12 · Chapter 56

    The product rule · Linear shift a=1; Exponential rate b=0.5

    Evaluate at x=0.2. Find the product value, its derivative, and the contribution from differentiating the exponential factor. Givens: Linear shift a=1; Exponential rate b=0.5.

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  17. Grade 12 · Chapter 57

    Implicit circle tangents · Circle radius r=1.5; Final angle (degrees)=90

    Use angle θ=54°. Find both coordinates and the tangent slope; identify a vertical tangent instead of dividing by zero when necessary. Givens: Circle radius r=1.5; Final angle (degrees)=90.

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  18. Grade 12 · Chapter 58

    Substitution and bounds · Exponent factor k=0.4; Final upper bound B=2

    Integrate from x=0 to x=1.2. Find the transformed upper bound under u=kx² and the exact integral, then give a decimal approximation. Givens: Exponent factor k=0.4; Final upper bound B=2.

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  19. Grade 12 · Chapter 59

    Washer volumes · Outer radius factor a=1.5; Inner radius factor b=0.2

    Use 0≤x≤1.2 and inspect the cross-section at x=1.2. Calculate the outer radius, washer area, and accumulated volume. Givens: Outer radius factor a=1.5; Inner radius factor b=0.2.

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  20. Grade 12 · Chapter 60

    Differential growth models · Initial amount a=0.5; Rate k=-0.4

    Evaluate at t=2.4 time units. Find the amount, instantaneous rate, and multiplier relative to the initial amount; check the rate against the given differential equation. Givens: Initial amount a=0.5; Rate k=-0.4.

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