Find the coordinates of the vertex of the quadratic function.f(x) = (x - 1)2 - 1
A. (-1, 0)
B. (1, 1)
C. (1, -1)
D. (0, -1)
Answer: C
Mathematics
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Approximate the area of the circle using 3.14 for ?.
A. 50.24 ft.2 B. 24.12 ft.2 C. 12.56 ft.2 D. 25.12 ft.2
Mathematics
Write the augmented matrix for the system. 8x + 3y = 34 7x + 7y = 21
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume all variables represent nonnegative values.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total cost function, C(x), is such that 
Find C(x).
A. C(x) = -0.3x2 + 10x + 15 B. C(x) = 7x + 11 C. C(x) = 5x + 15 D. C(x) = 6x + 20
Mathematics