\documentclass[a4paper]{article}
\usepackage[dvipsnames, table]{xcolor}
+\usepackage{adjustbox}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{array}
\usepackage{dblfloatfix}
\usepackage{enumitem}
\usepackage{fancyhdr}
-\usepackage[a4paper,margin=2cm]{geometry}
+\usepackage[a4paper,margin=1.8cm]{geometry}
\usepackage{graphicx}
\usepackage{harpoon}
\usepackage{hhline}
\usepgflibrary{arrows.meta}
\pgfplotsset{compat=1.16}
\pgfplotsset{every axis/.append style={
- axis x line=middle, % put the x axis in the middle
- axis y line=middle, % put the y axis in the middle
- axis line style={->}, % arrows on the axis
- xlabel={$x$}, % default put x on x-axis
- ylabel={$y$}, % default put y on y-axis
+ axis x line=middle,
+ axis y line=middle,
+ axis line style={->},
+ xlabel={$x$},
+ ylabel={$y$},
}}
\psset{dimen=monkey,fillstyle=solid,opacity=.5}
\newcolumntype{L}[1]{>{\hsize=#1\hsize\raggedright\arraybackslash}X}%
\newcolumntype{R}[1]{>{\hsize=#1\hsize\raggedleft\arraybackslash}X}%
+\newcolumntype{Y}{>{\centering\arraybackslash}X}
\definecolor{cas}{HTML}{e6f0fe}
\definecolor{important}{HTML}{fc9871}
\emph{Point of inflection} - max \(|\)gradient\(|\) (i.e.
\(f^{\prime\prime} = 0\))
+ \subsubsection*{Strictly increasing/decreasing}
+
+ For \(x_2\) and \(x_1\) where \(x_2 > x_1\):
+
+ \textbf{Strictly increasing}\\
+ \hspace{1em}where \(f(x_2) > f(x_1)\) or \(f^\prime(x)>0\)
+ \textbf{strictly decreasing}\\
+ \hspace{1em}where \(f(x_2) < f(x_1)\) or \(f^\prime(x)<0\)
+ \begin{warning}
+ Endpoints are included, even where gradient \(=0\)
+ \end{warning}
+
\begin{table*}[ht]
\centering
- \begin{tabularx}{\textwidth}{rXXX}
+ \begin{tabularx}{\textwidth}{rYYY}
\hline
\rowcolor{shade2}
- & \centering\(\dfrac{d^2 y}{dx^2} > 0\) & \centering \(\dfrac{d^2y}{dx^2}<0\) & \(\dfrac{d^2y}{dx^2}=0\) (inflection) \\[1.5em]
+ & \adjustbox{margin=0 1ex, valign=m}{\centering\(\dfrac{d^2 y}{dx^2} > 0\)} & \adjustbox{margin=0 1ex, valign=m}{\centering \(\dfrac{d^2y}{dx^2}<0\)} & \adjustbox{margin=0 1ex, valign=m}{\(\dfrac{d^2y}{dx^2}=0\) (inflection)} \\
\hline
\(\dfrac{dy}{dx}>0\) &
\makecell{\\\begin{tikzpicture}\begin{axis}[axis x line=none, axis y line=none, xmin=-3, xmax=0.8, scale=0.2, samples=50, unbounded coords=jump] \addplot[blue] {(e^(x)}; \addplot[red] {x/2.5+0.75}; \end{axis}\end{tikzpicture} \\Rising (concave up)}&