What is a variable declaration? A variable declaration is a statement that sets the name of a variable and its data type. It also provides information about where the variable should be stored in memory. This process can include initializing the variable with an initial value, although that is...
The equation y = 4x - 6 defines a function with independent variable ___ and dependent variable ___. How does the variable, x, work in math? Provide an example of a variable in mathematics. Determine if S = (7 - 4x + 4x^2, 6 + 2x - 3x^2, 20 - 6x + 5x^2) is linearly ...
B. The variable that is manipulated. C. The variable that is controlled. D. The variable that is observed. 相关知识点: 试题来源: 解析 B。原因:文章中提到“In an experiment, researchers manipulate an independent variable and observe the effect on a dependent variable.”,即在实验中,研究者...
A. The variable that is changed by the experimenter. B. The variable that changes in response to the independent variable. C. The variable that is kept the same. D. The variable that is not important. 相关知识点: 试题来源: 解析 A。在实验中,自变量是由实验者改变的变量。选项 B 是因变量...
The basic function of a variable speed drive (VSD) is to control the flow of energy from the mains to the process.
In “regular” mathematics, a parameter refers to a value within an equation that is transferred throughout the equation. For example,mandbare parameters in the slope equationy=mx+b. However, the parameter definition in statistics is quite different. Parameters in statistics are used to describe ...
53. What happened when the negative reciprocity variable was taken into account? A) Both men and women were found to engage in negative behaviors. B) Neither men nor women viewed booking late as a bad behavior. C) The gender difference in airfare expenses no longer existed. D) The gender...
A. The variable that is being measured. B. The variable that is manipulated by the researcher. C. A constant value. D. A research method. 相关知识点: 试题来源: 解析 A。选项 B,被研究者操纵的是自变量,不是因变量。选项 C,因变量不是常量值。选项 D,因变量不是研究方法。反馈...
What is a variable used for in programming? A. To store a value. B. To execute a function. C. To create a loop. D. To define a class. 相关知识点: 试题来源: 解析 A。变量在编程中是用来存储一个值的。B 选项执行函数不是变量的作用。C 选项创建循环也不是变量的功能。D 选项定义类也...
A variable is a named unit of data that is assigned a value. If the value is modified, the name does not change. Variables are used with most programming languages and come in many forms, defined by the script or software programmer....