Evaluate the function.If f(x) = x2 + 3x - 3, find f(4).
A. 7
B. 25
C. 31
D. 1
Answer: B
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Find the length of the curve.x = cos 2t, y = sin 2t, 0 ? t ? 2?
A. 6? B. ? C. 4? D. 2?
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi B. 20 mi C. 6.3 mi D. 10 mi
Simplify. Combine like terms if possible.-3n - (-n)
A. -2n2 B. -3n2 C. -4n D. -2n
Find the indicated probability.The following contingency table provides a joint frequency distribution for the popular votes cast in the 1984 presidential election by region and political party. Data are in thousands, rounded to the nearest thousand.Political Party
A person who voted in the 1984 presidential election is selected at random. Compute the probability that the person selected voted Democrat.
A. 0.442 B. 0.098 C. 0.241 D. 0.406