Simplify.
A. 
B. None of these
C. 
D. -1
Answer: C
Mathematics
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Solve the problem.The graphing calculator screen shows the graph of one of the equations below. Which equation is it?
A. y - 4x = -5 B. y = -4x + 3 C. y - 4x = 3 D. y + 4x = -5
Mathematics
Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = csc x - 5x on [0, 4]
A. x ? 0.454942, 3.076428 B. x ? 0.455053, 3.076539 C. x ? 0.565064, 2.966528 D. x ? 0.565053, 3.186539
Mathematics
Solve the equation by factoring.9x2 - 12x + 4 = 0
A. 
B. 
C. 
D. 
Mathematics
Determine if the given function y = f(x) is a solution of the accompanying differential equation.y = 
dtx2y' + xy = 
e6x
A. Yes B. No
Mathematics