From: Andrew Lorimer Date: Sun, 17 Mar 2019 04:42:01 +0000 (+1100) Subject: [methods] corrections to exp/log notes X-Git-Tag: yr12~201 X-Git-Url: https://git.lorimer.id.au/notes.git/diff_plain/0a9f151d9462ea7950f985e6d62b35f4c1c4b5d2?hp=06f0a815384df34b94cf6ac201e7d5ef67de3b73 [methods] corrections to exp/log notes --- diff --git a/methods/stuff.md b/methods/stuff.md index 78c9897..1f5d040 100644 --- a/methods/stuff.md +++ b/methods/stuff.md @@ -80,11 +80,11 @@ $k$ is a constant For continuous growth, $k > 0$ For continuous decay, $k < 0$ -## Graphing expomnential functions +## Graphing exponential functions $$f(x)=Aa^{k(x-b)} + c, \quad \vert \> a > 1$$ -- **$y$-intercept** at $(0, A \cdot a^{-kb}+c)$ +- **$y$-intercept** at $(0, A \cdot a^{-kb}+c)$ as $x \rightarrow \infty$ - **horizontal asymptote** at $y=c$ - **domain** is $\mathbb{R}$ - **range** is $(c, \infty)$ @@ -100,7 +100,7 @@ $$f(x)=A \log_a k(x-b) + c$$ where - **domain** is $(b, \infty)$ -- **range** is $\mathbb{R}^+$ +- **range** is $\mathbb{R}$ - **vertical asymptote** at $x=b$ - $y$-intercept exists if $b<0$ - dilation of factor $A$ from $x$-axis diff --git a/methods/stuff.pdf b/methods/stuff.pdf index a15caf8..59b86cf 100644 Binary files a/methods/stuff.pdf and b/methods/stuff.pdf differ