Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number. 
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = ln(cos 7x)
A. Q(x) = 1 + 
x2
B. Q(x) = 
x2
C. Q(x) = - 
x2
D. Q(x) = 1 - 
x2
Mathematics
Write the whole number in the sentence in standard form.Don figured out that he had lived five hundred eighty-two million, sixteen thousand seconds.
A. 582,160,000 B. 58,216,000 C. 582,000,016,000 D. 582,016,000
Mathematics
Graph the solution set to the given system of inequalities.x ? 0, y ? 0y ? x, x ? 5
A. 
B. 
C. 
D. 
Mathematics
First, write the value(s) that make the denominator(s) zero. Then solve the equation.
+ 1 = 
A. x ? -1; {11} B. x ? -1; {5} C. x ? 1; {5} D. x ? 1; ?
Mathematics