Find the equation of the axis of symmetry.
f(x) = x² – 4x + 5
A) x = –2 B) x = –1 C) x = 1 D) x = 2
D) x = 2
Mathematics
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Determine whether the integral converges or diverges.
A. diverges, ?
for x ? 1,
diverges
B. diverges, ?
for x ? 1,
diverges
C. converges, ?
for x ? 1,
converges
D. converges, ?
for x ? 1,
converges
Mathematics
Write the equation of the circle with the given center and radius.center (0, 2), radius
A. (x + 2)2 + y2 = 225 B. x2 + (y + 2)2 = 15 C. x2 + (y - 2)2 = 15 D. (x - 2)2 + y2 = 225
Mathematics
Minimize subject to the given constraints.
?
?
?
A.
B.
C.
D.
E. none of these
Mathematics
Factor using the ac-method.9x2 - 3xt - 2t2
A. (9x + t)(x - 2t) B. (3x + t)(3x - 2t) C. (3x - t)(3x + 2t) D. prime
Mathematics