a test to see if it is a function is a vertical line test, if you draw a straight line and the line intersects at 2 points, it is not a function.
in this case, (-2,-2) is an open hole, which means the value where it is placed is just around that value so not exact.
the vertical line test would work if it was a closed hole, and one or both points (-2,3) and (-2,-2) would have to be removed.
the mistake that deshawn made was that he mixed up the vertical line test with horizontal instead and has deduced that since a horizontal line has intercepted both points, they must be removed.
this graph is, in fact, a function since the open hole is not exactly under (-2,3)
Answer:
I believe that it is the last answer. have a great day!
Step-by-step explanation:
A polyhedron include cube ,prism or pyramid while non polyhedron are sphere, cone and cylinder because they have side that aren't polygon. a prism is a polyhedron with two congruent base ,in parallel planes and the lateral sides are rectangle
The angle for which the sine value is 0.6691 is found to be 42°.
What is the sine value?
A trigonometric function called sin x, where x is the angle under discussion stands for the sine of an angle. The sine function is the proportion between the perpendicular and hypotenuse of a right-angled triangle. In other words, the hypotenuse and its value change as the angle changes, and it is the ratio of the side opposite to the angle under discussion. In the study of physics, sound and light waves are represented by the sine function.
When the angle between a right-angled triangle's base and hypotenuse changes, the sine's value changes.
=41.99°≈42°
Learn more about sine values here:
brainly.com/question/2920412
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