Use scientific notation to solve the problem.The national debt of a small country is $6,440,000,000 and the population is 2,794,000. What is the amount of debt per person?
A. $2.30 × 106
B. $2.30 × 103
C. $23.00
D. $2.30
Answer: B
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Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.y = 19 - 4x4x + y = 43
A. {(9, 15)}
B. {(12, 7)}
C. {(x, y) 
}
D. ?
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.ex = 0.61
A. x = -ln 0.61 B. x = log30.61 C. x = log 0.61 D. x = ln 0.61
Find the least common multiple.x2 - 25, x + 5
A. x3 - 125 B. (x + 5)(x2 - 25) C. (x - 5)(x + 5)2 D. x2 - 25
Answer the question.How can the graph of f(x) = -3x3 + 2 be obtained from the graph of 
What transformations must be applied to f to obtain the graph of g(x) = -3f(x) + 2
A. Stretch it vertically by a factor of 3. Reflect it across the y-axis. Shift it vertically 2 units upward. B. Stretch it horizontally by a factor of 2. Reflect it across the x-axis. Shift it vertically 3 units upward. C. Stretch it vertically by a factor of 3. Reflect it across the x-axis. Shift it vertically 2 units upward. D. Stretch it horizontally by a factor of -3. Reflect it across the x-axis. Shift it vertically 2 units downward.