Consider the following examples. For each one, say whether the incentive is positive or negative.

d. Parents who offer their children extra allowance money for good grades.

Now, read and circle the commands below that provide good advice before, during, and after a cookout.

Busquen un lugar seco para hacer la fogata.

Circle the BEST answer.
A person has fake nails. Which is a good pulse oximetry sensor site?
a The wrist
b A finger
c The upper arm
d An earlobe

Indicate whether each statement below is true or false. If false, describe why.

a) Requesting viewers to call into an 800 number is a good way to produce a representative sample.

The elasticity of a good is $E=2$. What is the effect on demand of:

(a) A $3 \%$ price increase?

(b) A $3 \%$ price decrease?

Find the exact price that maximizes revenue for sales of the product.

At room temperature, a certain element is found to be a soft, silver-colored solid that reacts violently with water and is a good conductor of electricity. Is the element likely to be a metal, a nonmetal, or a semimetal?

Figure 15P-2 shows the monopolistically competitive market for smartphones.

b. In the long run, will supply or demand for this producer's good be affected? Will economic profits increase or decrease for this producer?

a. Find a power function that models the data in the table in previous exercise.

b. Find a linear function that models the data.

c. Visually determine if each model is a good fit.

Name a good you consume for which your income elasticity of demand is positive. What happens when your income increases? [LO $\mathbf{4 . 6}$ ]

Using the vocabulary list for the lesson, supply the correct word to complete the sentence.

She is a good amateur golfer, but years will pass before she enters the _____ of professional golf.

Indicate what would happen to the current demand for pencils as a result of each of the following changes.

Pencil consumers experience an increase in income. (Pencils are considered a normal good.)

Consider the following examples. For each one, say whether the incentive is positive or negative.

a. Bosses who offer time-and-a-half for working on national holidays.

Even though metal is a good conductor, frost can be seen on parked cars in the early morning even when the air temperature is above freezing. Provide an explanation.

Write a persuasive essay arguing whether or not it was a good idea for Philip II to sail against England. Identify the main reason the king of Spain decided to launch the invasion.