Express the number in scientific notation.0.000315
A. 3.15 × 10-3
B. 3.15 × 104
C. 3.15 × 10-4
D. 3.15 × 10-5
Answer: C
Mathematics
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Rewrite the expression in terms of exponentials and simplify the results.4 cosh (ln x) + 14 sinh (ln x)
A. 9x
B. 9
C. 9x - 
D. 0
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Asymptotes y = 
x, y = - 
x; one vertex is (0, 14)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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Choose the graph that models the situation best.The number of computer floppy disks purchased during the last 5 years.
A. 
B. 
C. 
D. 
Mathematics
Give the equation of the oblique asymptote, if any, of the function.f(x) = 
A. y = 2x - 1 B. y = 0 C. y = 2x + 1 D. y = 2x
Mathematics