A Double variable can be used in arithmetic operations.

Figure 3.42 shows four different adjustments of the sliders made in the grayscale image’s histogram. For each of the four image outlines in Figure 3.42 , label the areas with the resulting grays. Specify whether it is black, white, or gray. If it is gray, estimate an RGB value for that gray.

Critical Thinking QuestionsCase 2-2You have finally completed the new product announcement presentation for the next sales department meeting. After reviewing the slides by running a slide show, you decide that the new product photograph on slide 3 does not have the right emphasis. The new product picture on slide 3 has no border. You add one by tapping or clicking the Picture Border arrow on the ____. a. (PICTURE TOOLS FORMAT tab | Picture Styles group)c. (PICTURE TOOLS FORMAT tab | Format Picture group)b. (DRAWING TOOLS FORMAT tab | Shapes Styles group)d. (INSERT tab | Colors and Lines group)

What will be an ideal response?