Verify the identity.tan 
= -cot ?
What will be an ideal response?
tan 
= 
= 
= 
= -cot ?.
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
÷ 3
A. 8
B. 1
C. 
D. 14
Solve. A particular vitamin comes in 200 milligram tablets. Convert this to ounces. Round answer to the nearest thousandth, if necessary.
A. 0.08 oz B. 2000 oz C. 7.06 oz D. 0.008 oz
Use the graph of the quadratic function to find the vertex, axis of symmetry, x- and y-intercepts, and domain and range.
A. vertex: (-2, 1) axis of symmetry: x = -2 x-intercepts: -1 and - 3 y-intercept: -3 domain: (-?, 1] range: (-?, ?) B. vertex: (1, -2) axis of symmetry: x = 1 x-intercept: -3 y-intercepts: -1 and - 3 domain: (-?, ?) range: (-?, 1] C. vertex: (-2, 1) axis of symmetry: x = 1 x-intercepts: -1 and - 3 y-intercept: -3 domain: (-?, ?) range: (-?, 1) D. vertex: (-2, 1) axis of symmetry: x = -2 x-intercepts: -1 and - 3 y-intercept: -3 domain: (-?, ?) range: (-?, 1]
Simplify the exponential expression.
A. 
B. -9x2
C. 
D. -9x3