Find the vertex.f(x) = 2x2 - 12x + 19
A. (-3, -1)
B. (3, 1)
C. (1, 3)
D. (-1, -3)
Answer: B
Mathematics
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Solve the problem.Find the point on the curve x = 4 sin t, y = cos t, - 
? t ? 
, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (4, 0)
B. 
C. 
D. (-4, 0)
Mathematics
Use the Pythagorean Theorem to find the missing side of the right triangle.
A. 20 B. 14 C. 11 D. 19
Mathematics
Solve the equation.-7.9x + 1.2 = -67.8 - 1.0x
A. {10} B. {8.7} C. {-76} D. {8.9}
Mathematics
Find the fraction of a complete rotation that corresponds to the given angle. -30°
A. - 
B. - 
C. - 
D. - 
Mathematics