For the functions f(x) and g(x), determine the domain of (f ? g)(x) (the product of f and g).f(x) = 
, g(x) = -7x3
A. {x ? x is a real number and x ? 5}
B. {x ? x is a real number and x ? -5}
C. {x ? x is a real number and x ? 0}
D. {x ? x is a real number}
Answer: C
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If n is a natural number, then 10-n = 
. Negative powers of 10 can be used to write the decimal part of Hindu-Arabic numerals in expanded form. Express the expanded form as a Hindu-Arabic numeral.(5 × 10-1) + (5 × 10-3) + (9 × 10-5) + (9 × 10-7) + (7 × 10-8) + (5 × 10-9)
A. 0.5059975 B. 0.559975 C. 0.505090975 D. 0.50509090705
Which of the following is likely to be most strongly influenced by sociomathematical norms in place in a classroom?
a. A class discussion about students' attitudes toward learning mathematics. b. A class discussion about being polite to one another when arguing different points of view about solving problems. c. A class discussion about whether the quadratic equation or factoring is the best way to solve a given equation. d. A class discussion about how the mathematics learned in the classroom may be applicable in real-world settings.
Use the order of operations to simplify the expression.[36 - (4 + 6) ÷ 2] - [1 + 12 ÷ 3]
A. 23 B. 21 C. 33 D. 26
Graph the function.y = 2 sec|x| 
A. 
B. 
C. 
D. 