$\bf slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ f(x_2)}}-{{ f(x_1)}}}{{{ x_2}}-{{ x_1}}}\impliedby 
\begin{array}{llll}
average\ rate\\
of\ change
\end{array}\\\\
-------------------------------\\\\
f(x)=500(1.05)^x \qquad 
\begin{cases}
x_1=2\\
x_2=4
\end{cases}\implies \cfrac{f(4)-f(2)}{4-2}
\\\\\\
\cfrac{[500(1.05)^4]~-~[500(1.05)^2]}{4-2}\implies \cfrac{56.503125}{2}\implies 28.2515625$

6 0

4 years ago

Andy buys a computer that costs $575. The sales tax is 5%. Describe a method he could use to estimate the sales tax. Will the es

hammer [34]

One Method) Multiply 575 by .05 (5%=.05) then add the answer by 575

8 0

3 years ago

Express 2/11 as a recurring decimal

Sauron [17]

The answer is :

0.18181818
But you can also write it like this

3 0

3 years ago

Read 2 more answers