Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = -x3 - 7
A. Yes
B. No
Answer: A
Mathematics
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Sketch the graph of the equation.y = -x2 - 2
A. 
B. 
C. 
D. 
Mathematics
Use the given triangle and the following information: a =7 and b =3. Leave the answers in fraction form.
 FIGURE.png)
Find cos A.
Mathematics
Find the quantity indicated.x varies directly as z. Find x when z = 14 and k = 2.
A. 16
B. 28
C. 7
D. 
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 
B. z + 3
C. 
D. 
Mathematics