Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Answer: A
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Simplify the expression.
1/3
A. 
B. 7
C. -7
D. 
Estimate the probability of an event (empirical probability). A new drug is being tested that is supposed to lower cholesterol. This drug was given to 150 people. After the test period ended, 106 people had lower cholesterol, 8 people had higher cholesterol, and 36 people had no change in their cholesterol. Estimate the probability that after testing this drug a person's cholesterol will be lower.
A. 
B. 
C. 
D. 
Write the opposite of the polynomial and simplify your result.2x2 + 8x - 7
A. -2x2 - 8x - 7 B. 2x2 - 8x + 7 C. -2x2 - 8x + 7 D. -2x2 + 8x + 7
Solve the application.Find the difference in temperature between 14°F during the day and -2°F. at night.
A. The difference in temperature is 12°F. B. The difference in temperature is -12°F. C. The difference in temperature is -16°F. D. The difference in temperature is 16°F.