Use the vertical line test to determine whether the graph is a function.
A. Function
B. Not a function
Answer: A
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Write and solve an equation to find the percent increase or decrease. Round your answer to the nearest tenth of a percent, if necessary.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 30 questions correct. What was the percent of increase?
A. 16.7% B. 20% C. 80% D. 5%
A redesign of an automobile tire to make it more resistant to punctures would be a/an ____ innovation.
A. radical B. organic C. breakthrough D. incremental
Use a proportion to solve the problem. Round to the nearest tenth as needed.A building casts a shadow 18 m long. At the same time, the shadow cast by a 44-cm tall pole is 95 cm long. Find the height of the building.
A. 37.4 m B. 6.8 m C. 8.3 m D. 38.9 m
Provide an appropriate response.Are both 2 and 
natural numbers, integers, or irrational numbers?
A. Irrational numbers B. Integers C. Natural numbers D. None of the above