Indicate the coordinates of the vertex of the parabola.y = 
x2 - x + 5
A. (2, 4)
B. (-2, 8)
C. (2, 8)
D. (-2, 4)
Answer: A
Mathematics
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Determine the local extrema of the function.f(x, y) = x3 + y3 - 4xy
A. f(0, 0) = 0, minimum
B. f
= 2.37, maximum
C. f(0, 0) = 0, maximum
D. f
= -2.37, minimum
Mathematics
Solve.There are approximately 2.54 centimeters in 1 inch. How many inches are there in 60 centimeters? (Round to the nearest hundredth.)
A. 0.04 in. B. 4.23 in. C. 236.22 in. D. 23.62 in.
Mathematics
Estimate the answer by rounding as indicated.Estimate by first rounding to the nearest ten.
A. 1460 B. 80 C. 1200 D. 1464
Mathematics
Factor completely.x2 - 3x - 18
A. (x + 3)(x - 6) B. (x - 3)(x - 6) C. (x - 3)(x + 6) D. (x - 3)(x + 1)
Mathematics