1.
What is a summed-area table?
Correct Answer
A. It's a data structure and algorithm for quickly and efficiently generating the sum of values.
Explanation
A summed-area table is a data structure and algorithm that allows for the fast and efficient calculation of the sum of values. It is commonly used in computer graphics and image processing to quickly generate the sum of pixel values in rectangular regions. By precomputing and storing cumulative sums, the summed-area table enables rapid retrieval of the sum of values for any given rectangular region without the need for iterating through all the individual values. This makes it a valuable tool for various applications that require fast and efficient computation of summed values.
2.
What is the formula for a definite integral?
Correct Answer
C. Â b
âˆ«Â Â Â Â f(x) dx
Â a
Explanation
The correct answer is the formula for a definite integral, which is âˆ« f(x) dx from a to b. The integral sign represents the process of finding the area under the curve of the function f(x) between the limits of a and b.
3.
How can you define a definite integral?
Correct Answer
B. It's the area of the region in the xy-plane bounded by the graph of f, the x-axis, and the line x=a and x=b.
Explanation
A definite integral is used to calculate the area of the region in the xy-plane that is bounded by the graph of f, the x-axis, and the lines x=a and x=b. This means that the integral calculates the area between the curve and the x-axis within the specified limits of a and b.
4.
What happens when the interval is infinite?
Correct Answer
B. Then the definite integral is called an improper integral.
Explanation
When the interval is infinite, the definite integral is called an improper integral. This is because the limits of integration extend to infinity, making it impossible to evaluate the integral using the usual methods. Instead, special techniques such as limits or convergence tests are used to determine the value of the integral.
5.
How many types of "definite integrals" are there?
Correct Answer
A. 6
Explanation
There are six types of "definite integrals".
6.
How many types of integrals with simple functions are there?
Correct Answer
A. 10
Explanation
There are 10 types of integrals with simple functions.
7.
In what areas can definite integrals be used?
Correct Answer
A. Geometry, physics.
Explanation
Definite integrals can be used in the fields of geometry and physics. In geometry, they can be used to calculate the area of irregular shapes or the length of curves. In physics, definite integrals are used to calculate quantities such as displacement, velocity, and acceleration. These integrals help in solving problems related to motion, forces, and energy. Therefore, definite integrals are applicable and useful in the areas of geometry and physics.
8.
Who was the first one to study definite integrals?
Correct Answer
B. Isaac Newton
Explanation
Isaac Newton was the first one to study definite integrals. He made significant contributions to the field of mathematics, including the development of calculus. Newton's work on calculus laid the foundation for the study of definite integrals, which involve finding the area under a curve between two specific points. His groundbreaking ideas and theories revolutionized mathematics and physics, making him a pioneer in the field.
9.
In what century were definite integrals first studied?
Correct Answer
B. The 17th century.
Explanation
In the 17th century, mathematicians such as Isaac Newton and Gottfried Wilhelm Leibniz independently developed the concept of definite integrals. They laid the foundation for integral calculus, which is the study of finding the area under curves and calculating accumulated quantities. Their work revolutionized mathematics and paved the way for numerous applications in physics, engineering, and other fields.
10.
What relates antiderivatives to definite integrals?
Correct Answer
D. The fundamental theorem of calculus.
Explanation
The fundamental theorem of calculus relates antiderivatives to definite integrals. This theorem states that if a function is continuous on a closed interval, then the definite integral of its derivative over that interval is equal to the difference between the values of the antiderivative at the endpoints of the interval. In other words, it provides a method to evaluate definite integrals by finding antiderivatives of the integrand. This fundamental theorem is a key concept in calculus and is widely used in various applications of mathematics and science.