If the function y = f(x) is an even function, then which of the following is true? A. f(-x) = -f(x) B. f(-x) = f(x) C. f(-x) = 0 D. f(x) = 0 相关知识点: 试题来源: 解析 B。偶函数的定义是 f(-x) = f(x)。反馈 收藏 ...
解析 C Recall that a function is even if it is symmetric with respect to the y-axis and f(-x)=f(x).Graph the functions on your calculator to determine which one has y-axis symmetry. f(x)=-x^2+1 is the correct answer choice.反馈 收藏 ...
An even function is a function that is symmetric with respect to the y-axis. To know if a function is even, change the variable as negative. If it results to the original function, then it is even. In other words, a functio...
We consider Gomory and Johnson's infinite group model with a single row. Valid inequalities for this model are expressed by valid functions and it has been recently shown that any valid function is dominated by some nonnegative valid function, modulo the affine hull of the model. Within the ...
find a function that is integrable on the interval \left [ -1,1 \right ], but not continuous on \left [ -1,1 \right ]. Suppose that f is an even function, g is odd, both are integrable on the closed interval from -5 to 5, and we know that ...
Given f is an even function, which of the following must be true? There may be more than one correct answer. Circle all that are correct. ( ) A. ∫ _(-a)^af(x)=0 B. ∫ _(-a)^af(x)=2∫ _0^af(x) C. ∫ _a^af(x)=0 D. ∫ _(-a)^af(x)=∫ _a^(-a)f(x) ...
【题目】Given f is an even function, which o f the foll oving must be true? T here may be more than one correct answer. Circle all that are correct.( ) A.$$ \int _ { - a } ^ { a } f ( x ) d x = 0 $$$ 3 . \int _ { - a } ^ { a } f ( x ) d x = ...
—used as an interrogative whichof those houses do you live in whichof you want tea andwhichwant lemonade he is swimming or canoeing, I don't knowwhich 2 :whichever takewhichyou like 3 —used as a function word to introduce a relative clause ...
Glenn Branch, the centre's deputy director, cautions that setting state-level science standards is only one limited benchmark in a country that decentralises decisions to local school boards. Even if a state is considered a high performer in its science standards, "that does not mean it will...
Lookingat superficially, people appear to function well enough in economic and social activities; yet it would be dangerous to overlook the deep-seated unhappiness behind that comforting disguise. A. To be looking B.Look C.Having looked