Solve the inequality, then graph the solution.5x < 25
A. (-?, -5)
B. (5, ?)
C. (-?, 5)
D. (-5, ?)
Answer: C
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Name the conic or limiting form represented by the given equation.y2 - x2 - 12y + 12x - 36 = 0
A. Hyperbola B. Intersecting lines C. Ellipse D. Empty set
Find the unit tangent vector T and the principal unit normal vector N. r(t) = (10 + t)i + (4 + ln(sec t))j - 4k, -?/2 < t < ?/2
A. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j C. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j D. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j
Solve the problem.A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in the civic theater?
A. 1070 seats B. 1092 seats C. 1010 seats D. 790 seats
Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.
A. 2 × 4 B. 4 × 2 C. 2 × 3 D. 3 × 2