Find the equation that the given graph represents.
A. f(x) = -x3 + 4x2 + x - 5
B. f(x) = x3 + 4x2 - x - 5
C. f(x) = x2 + 4x - 5
D. f(x) = x3 + x2 + x + 5
Answer: B
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Simplify and write the answer using scientific notation. Use the correct number of significant digits.
A. 3.5 × 105 B. 3.5 × 10-17 C. 5.8 × 10-6 D. 3.5 × 10-7
Find all real numbers that satisfy the equation. Round approximate answers to 2 decimal places.3 = 5 cos(x) + 2
A. 0.98 + 2k? or 5.30 + 2k? where k is any integer B. 1.37 + k? or 4.91 + k? where k is any integer C. 1.37 + 2k? or 7.65 + 2k? where k is any integer D. 1.37 + 2k? or 4.91 + 2k? where k is any integer
Find the weighted mean. Round to the nearest tenth.
A. 23.9 B. 27.3 C. 23.3 D. 7.1
Solve the problem.Assume an exponential function has a starting value of 13 and a growth rate of 0.35%. Write an equation to model the situation.
A. y = 13 ? 1.35x B. y = 13 ? 0.0035x C. y = 13 ? 1.0035x D. y = 13 ? 0.35x