Decide whether the equation describes a function.y = -7
A. yes
B. no
Answer: A
Mathematics
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Solve the equation.x2 + 7x = 44
A. {-11, 1} B. {4, 11} C. {-4, 11} D. {-11, 4}
Mathematics
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = -log(-x) B. y = -log x C. y = log x D. y = log(-x)
Mathematics
Use a sketch to find the exact value of y.y = sin(tan-1 2)
A. 
B. 2
C. 
D. 5
Mathematics
Determine the type of conic that is the graph of the equation.4x2 - 8x + 5y2 + 30y - 41 = 0
A. circle B. ellipse C. parabola D. not a conic
Mathematics