Use factoring techniques to solve the equation.k2 + 3 = 19
A. {-4, 4}
B. {4}
C. {16}
D. {-16, 16}
Answer: A
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Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 9x)
A. Q(x) = 1 + 9x + 
x2
B. Q(x) = 9x + 
x2
C. Q(x) = 9x - 
x2
D. Q(x) = 1 - 9x + 
x2
Solve the problem.A new exhibit is scheduled to open at the local museum. Museum officials expect that 9000 people will visit the exhibit in its first week, and that the number of visitors will drop by 20 people per week after the first week during the first 6 months. Find the total number of visitors expected in the exhibit's first 7 weeks.
A. 44,700 visitors B. 62,580 visitors C. 53,700 visitors D. 62,460 visitors
Write the standard form of the equation of the circle.Center (0, 0), r = 2
A. x2 + y2 = 4 B. x2 + y2 = 2 C. (x - 2)2 + (y - 2)2 = 2 D. (x - 2)2 + (y - 2)2 = 4
Simplify.2
? 
- 2
? 
A. 2
B. 20
C. 8
D. 26