Question 81
If the function f(x) = 2x + 3 is inverted, what is f^(-1)(x)?FunctionsInverse Functionsmedium
Select one option to submit your answer.
NSC Mathematics AI Practice
Train with AI-generated exam-style questions. Get instant explanations and coaching on every weak area.
Interactive mode300 questions available
Practice mode
Answer immediately. If you miss, we show exactly why your selected option is wrong.
Progress: 0/10 correct (0 answered)
Question 82
A fair die is rolled once. What is the probability of rolling a number greater than 4?ProbabilityProbability Basicseasy
Select one option to submit your answer.
Question 83
Given the data set: 2, 4, 6, 8, 10, what is the median?StatisticsMeasures of Central Tendencyeasy
Select one option to submit your answer.
Question 84
Differentiate y = ln(x^2 + 1).CalculusDifferentiation of Logarithmic Functionshard
Select one option to submit your answer.
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
Select one option to submit your answer.
Question 86
The function g(x) = 2x - 7 is linear. What is the x-intercept of this function?FunctionsFunctionseasy
Select one option to submit your answer.
Question 87
Differentiate the function h(x) = 4x^3 - 2x + 1.CalculusDifferentiationmedium
Select one option to submit your answer.
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
Select one option to submit your answer.
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
Select one option to submit your answer.
Question 90
The mean of the data set {2, 5, 7, 10, 16} is:StatisticsMeasures of Central Tendencyeasy
Select one option to submit your answer.