Match the equation of the parabola with the appropriate description.y = 6 + 3x - x2
A. Opens left
B. Opens up
C. Opens down
D. Opens right
Answer: C
Mathematics
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Sketch the graph of the function.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Use a sum or difference identity to find the exact value.
A. - 
B. - 
C. -2
D. - 
Mathematics
Simplify the expression, using only positive exponents in your answer.
A. 
B. 
C. 
D. 9x - 45y2
Mathematics
Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
- 2
A. Yes B. No
Mathematics