Find the coordinates of the vertex of the quadratic function.f(x) = -7(x - 2)2 - 9
A. (-9, 2)
B. (2, -9)
C. (-7, -2)
D. (-2, -9)
Answer: B
Mathematics
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Simplify the expression.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical expression. Assume that variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics
Estimate the product by first rounding the factors as indicated.104 × 399 (nearest hundred)
A. 400,000 B. 40,000 C. 300,000 D. 30,000
Mathematics
Classify the function as even, odd, or neither.f(x) = 2x4 - x2
A. Even B. Odd C. Neither
Mathematics