Question 81
If the function f(x) = 2x + 3 is inverted, what is f^(-1)(x)?FunctionsInverse Functionsmedium
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NSC Mathematics – South Africa
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Question 82
A fair die is rolled once. What is the probability of rolling a number greater than 4?ProbabilityProbability Basicseasy
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Question 83
Given the data set: 2, 4, 6, 8, 10, what is the median?StatisticsMeasures of Central Tendencyeasy
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Question 84
Differentiate y = ln(x^2 + 1).CalculusDifferentiation of Logarithmic Functionshard
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Question 85
In triangle ABC, angle A = 60°, side a = 10 cm. Using the Law of Sines, if angle B = 45°, find side b.TrigonometrySine Rulemedium
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Question 86
The function g(x) = 2x - 7 is linear. What is the x-intercept of this function?FunctionsFunctionseasy
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Question 87
Differentiate the function h(x) = 4x^3 - 2x + 1.CalculusDifferentiationmedium
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Question 88
In triangle ABC, angle C is 90°. If AC = 6 and BC = 8, what is the length of AB?GeometryTriangles and Pythagoras Theoremeasy
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Question 89
A box contains 5 red and 7 blue balls. If one ball is drawn at random, what is the probability it is red?ProbabilityBasic Probabilityeasy
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Question 90
The mean of the data set {2, 5, 7, 10, 16} is:StatisticsMeasures of Central Tendencyeasy
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