Draw the graph of the equation and label the vertex.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find a general expression for the slope of a tangent line to the indicated curve.y = x - 2x3
A. 1 - 6x2 B. 1 - 2x2 C. x - 6x2 D. x - 2x2
Mathematics
Find the difference. Write the difference in lowest terms.16
- 3
A. 19
B. 13
C. 13
D. 13
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Mathematics
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. f(x) = -log3x B. f(x) = 1 - log3x C. f(x) = log3x D. f(x) = log3(-x)
Mathematics