91Ó°ÊÓ

Using the variable \(x\), write each interval using set-builder notation. $$[2,7)$$

Classify each number as one or more of the following: natural number, integer, rational number, or real number. \(-3\) (The annual percent change in the area of tropical rain forests)

Find the zero of the function \(f\) $$f(x)=-8 x+0.5(2 x+8)$$

Write the slope-intercept form of the line that passes through the given point with slope \(m .\) Do not use a calculator. Through \(\left(5,-\frac{1}{3}\right), m=3\)

$$\begin{aligned} &\text {Solve each problem analytically, and support your solution}\\\ &\text {graphically.} \end{aligned}$$ Perimeter of a Storage Shed A carpenter must build a rectangular storage shed. She wants the length to be 3 feet greater than the width, and the perimeter must be 22 feet. Find the length and the width of the shed.

Give the (a) \(x\) -intercept, (b) \(y\) -intercept, (c) domain, (d) range, and (e) slope of the line. Do not use a calculator. $$f(x)=-0.5 x$$

Classify each number as one or more of the following: natural number, integer, rational number, or real number. \(\frac{7}{3}\) (The fractional increase in online sales on Thanksgiving Day from 2006 to 2011 )

Work each problem related to linear functions. (a) Evaluate \(f(-2)\) and \(f(4)\) (b) Graph \(f\). How can the graph of \(f\) be used to determine the zero of \(f ?\) (c) Find the zero of \(f\) $$f(x)=x+2$$

Write the slope-intercept form of the line that passes through the given point with slope \(m .\) Do not use a calculator. Through \(\left(\frac{1}{4}, \frac{2}{3}\right), m=\frac{1}{2}\)

$$\begin{aligned} &\text {Solve each problem analytically, and support your solution}\\\ &\text {graphically.} \end{aligned}$$ Dimensions of a Label The length of a rectangular label is 2.5 centimeters less than twice the width. The perimeter is 40.6 centimeters. Find the width.