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3. What is the formula for pseudo R-squared? 4. What is the likelihood ratio test used for? For each of the following polynomial function determine if x =1 is a root. a) x^3 -2x^2 +3x-2=0. b) 2x^3-1/2x^2 +x-2=0. c) 3x^4-x^2+2x-4=0 Assume good X is normal. ...
Given f(x) = 5x squared - 3x + 1, find f(-2) Suppose that F (x) = integral_{1}^{x} f (t) dt, where f (t) = integral_{1}^{t^2} square root {4 + u^4} / u du. Find F'' (2). If s varies directly as t^2, and s = 441 when t = 7,...
$$y = -x ^ 2 - 2x + 3 $$ First, we must find the y-coordinate of the vertex. Identify the coefficients of the quadratic function: $$y =... Learn more about this topic: Quadratic Function | Formula, Graph & Examples from
11. The quadratic function represents a relationship that includes a squared term. 二次函数表示一个包含平方项的关系。 12. The cubic function represents a relationship that includes a cubed term. 三次函数表示一个包含立方项的关系。 13. Polynomial functions involve multiple terms with different powers...
See a solution process below: Explanation: First, we need to expand the squared term using this rule: ((a)−(b))2=(a)2−2(a)(b)+(b)2 ... What is the standard form of y=−3(x−1)2−1 ? https://socratic.org/questions/what-is-the-standard-form-of-y-3-x-1-2-...
Atcoder Grand 011 C - Squared Graph 题意: 给出一个n个点的图,现在构造一个有n^2个点的新图,新图每个点表示为(a,b)(a,b<=n),两个点(a,b),(c,d)(a,b),(c,d)之间有边当且仅当原图中ac之间有边,bd之间有边。 问新图中有几个联通块。
Last week we learned there is plausibly a simple, cheap and easy way out of this entire mess. All we have to do is take our Vitamin D. In case it nee…
Direct Variation | Definition, Examples & Graph from Chapter 14 / Lesson 7 139K Understand what direct and inverse variation is. Learn the formulas for direct and inverse variations and see what the graphs and tables look like, with examples. Re...