Evaluate.2? 7 - 5(3)3 ÷ (-3)
A. 59
B. 
C. -81
D. 1139
Answer: A
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = tan-1 9x
A. Q(x) = 1 + 9x2
B. Q(x) = 1 - 9x2
C. Q(x) = 9x
D. Q(x) 1 + 
x2
Mathematics
Solve by using the quadratic formula.3x2 + 12x + 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Use the square root method to solve the equation. x2 + 2 = 171
A. ±12 B. ±13 C. 13 D. 85.5
Mathematics
Solve the problem.Crafty Bill's Cool Car Sales opened as a used car sales lot in 1991. The graph shows the number of cars sold as a function of time. Is this the graph of a function? What is the domain?
A. Not a function; Domain: [2005, 2011] B. Function; Domain: [2005, 2011] C. Not a function; Domain: [2007, 2011] D. Function; Domain: [2007, 2011]
Mathematics