Provide an appropriate response.Given that P(E) = 1, what must be true about the event E?
A. The event E is impossible.
B. The event E is probable but not certain.
C. The event E is possible but not likely.
D. The event E is certain.
Answer: D
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Use the graph to estimate the specified limit.Find 
f(x) and 
f(x)
A. 1; 1 B. -3; 3 C. does not exist; does not exist D. 3; -3
Calculate using the rules for order of operations.30 - 3 + 
÷ 5 + (-1)3Round to two decimal places, if necessary.
A. 29.50 B. 9.25 C. 6.40 D. 28.00
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.F(x) = 8x5 - 5x4 + 4x3 - 9
A. 0, 2, or 4 positive; 0 negative B. 1 positive; 1 or 3 negative C. 1 or 3 positive; 1 or 3 negative D. 1 or 3 positive; 0 negative
Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?
A. -1 B. 4 C. 1 D. -4