Solve graphically. Round solutions to three decimal places, where appropriate.x2 - 7x + 9 = 0
A. 1.747, 5.353
B. 0.017, 0.053
C. 1.697, 5.303
D. 3.394, 10.606
Answer: C
Mathematics
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? 
A. 21x
B. 
C. 
D. 10x
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Write the number in scientific notation.0.000391
A. 39.1 × 10-5 B. 3.91 × 10-4 C. 3.91 × 10-3 D. 3.91 × 10-5
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Solve.Comet's orbit the Sun in elongated ellipses. Consider the Sun as the origin of a rectangular coordinate system. Suppose that the equation of the path of the comet is 
+ 
= 1Find the center of the path of the comet.
A. (640,000,000, -287,000,000) B. (-640,000,000, -287,000,000) C. (-640,000,000, 287,000,000) D. (640,000,000, 287,000,000)
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Graph the inequality.y > log7 x
A. 
B. 
C. 
D. 
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