Draw three lines under each lowercase letter that should be capitalized. Draw a slash (/) through each capitalized letter that should be lowercase. Experiments (We performed one today) are important in scientific investigation.

Investigation In the previous part you found that the interval of convergence of the geometric series $\sum_{n=0}^{\infty}\left(\frac{x}{2}\right)^n$ is $(-2,2)$.
Repeat the previous part for $x=-\frac{3}{4}$.

Rewrite the following paragraph, changing each singular subject to a plural subject. Be sure to change the verbs to agree with the new subjects.

A murder investigation involves several specialists. A police officer is usually the first at a crime scene.

Connect to Society: A neighbor wants to use his backyard garden to conduct an investigation of how tomato plants use specific amounts of carbon dioxide and water to grow at a certain rate. Is this a good idea? Explain.

In the given sentences, if a subject and verb do not agree, draw a line through each incorrect word and write the correct word above it.

One of Dupin's cases, like some of Miss Marple's, are solved by armchair investigation.

Underline the noun clause in each sentence. Then label it d.o. for direct object, subj. for subject, p.n. for predicate nominative, or o.p. for object of a preposition.
What appeared to be true was ruled out after further investigation.

On the line provided, write the acronym for each of the following word groups.

Example $\underline{\text{UFO}}$ 1. unidentified flying object

$\underline{\phantom{\text{The horse.}}}$ 13. Federal Bureau of Investigation

“.¢. Based on your investigation, complete the sentence? 0 2iy600 The line $y = - x$ is a $\quad$ of the line $y = x$ that maps the point $( 0,0 )$ onto the point $\quad$ and maps the point $( 1,1 )$ onto the point $( 1 , \quad )$

In an investigation of a relationship between systolic blood pressure and di astolic blood pressure of adult females, which of the following graphs is most helpful: histogram; pie chart; scatterplot; stemplot; dotplot?

Jonathan Losos introduced a species of anole onto a Florida island that already had another species, and then studied their descendants. How are his investigation and observations similar to the work of the Grants on the Galápagos Islands?

It is difficult to measure the resistivity of a material directly, but it is easy to measure the resistance and length of a wire. Plan an investigation that would allow you to determine the resistivity for a constant cross section from resistance data plotted as a function of length.

In Investigation $20 \mathrm{~A}$ on page $586$, which optical device would you choose to
a. create a magnified (enlarged) image?
b. create an upside-down or inverted image?
c. create an image the same size as the object?

Based on long-term investigation, researchers have suggested that the acidity (pH) of rainfall in the Shenandoah Mountains can be described by the Normal model N(4.9, 0.6). What percent of storms produce rainfall with pH under 4?

Investigation Consider the function f defined by

$$f(x)= \begin{cases}e^{-1 / x^2}, & x \neq 0 \\ 0, & x=0^{-}\end{cases}$$

Using the result in the previous part, find the Maclaurin series for $f$. Does the series converge to $f$ ?