Indicate whether the distinct lines, line 1 and line 2 are parallel, perpendicular, or neither.m1 = - 
, m2 = - 10
A. parallel
B. perpendicular
C. neither
Answer: C
Mathematics
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (9t sin t + 9 cos t)i + (9t cos t - 9 sin t)j + 9k; normal plane at t = 5.5?.
A. y = 9 B. x - y + z = -9 C. x + y + z = -9 D. y = -9
Mathematics
Find the local extrema of the function, if they exist.f(x) = 
A. Local minimum at 
; Local maximum at (0, 0)
B. Local maximum at (0, 0)
C. Local minimum at 
; Local maximum at 
D. Local maximum at 
; Local minimum at 
Mathematics
Write the mixed number as an improper fraction.2
A. 
B. 
C. 
D. 
Mathematics
Give all possible rational zeros for the polynomial.f(x) = 2x3 + 9x2 + 8x - 8
A. ±1, ±2, ±4, ±8
B. ±1, ± 
, ± 
, ± 
, ±2
C. ±1, ± 
, ±2, ±4, ±8
D. ±1, ±2, ±4
Mathematics