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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Provide an appropriate response.For approximately what values of x can tan-1 x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.43610 B. |x| < 0.37977 C. |x| < 0.44581 D. |x| < 0.38965
Mathematics
Provide an appropriate response.If a horizontal line is drawn through the point (5, -2), where will it intersect the y-axis?
A. (0, 5) B. (0, -2) C. (5, 0) D. (-2, 0)
Mathematics
Consider the functions f and g as shown in the graph. Answer the question.What is the domain of f - g?
A. {
-1 ? x ? 3}
B. {
-1 ? x ? 4}
C. {
-3 ? x ? 4}
D. {
-3 ? x ? 3}
Mathematics
Multiply. Simplify if possible.
? 
A. 
B. 
C. 
D. 
Mathematics