Determine the domain

Mathematics

2 answers:

Molodets [167]3 years ago

8 0

Answer:

Domain [-7, 7]

Step-by-step explanation:

Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis from -7 to +7

Deffense [45]3 years ago

3 0

Answer:

$-7\leq x$

Step-by-step explanation:

the closed circle point indicates that x is equal to -7, while the open circle point indicates x is equal to LESS than seven.

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Cecilia made an envelope to mail a letter. She colored the regular trapezoid flap on the bottom of the envelope blue, as shown.

podryga [215]

Answer:

The correct option is:

14 inches

Step-by-step explanation:

The question is incomplete because the picture of the flap is not shown in the question nor the measurements are given. First lets complete the question. The figure was this question is attached below.

We can see that the bottom width of the trapezoid is 9 inches, the top width of the trapezoid is 5 inches, and it has a height of 2 inches.

The area of trapezoid is given as:

Area = ((Top width + Bottom width)/2) · h

Area = ((9+5)/2) · 2

Area = (14/2) · 2

Area = 7 · 2

Area = 14 inch²