Use the given vectors to find the indicated expression.v = 2i - 5j + k, w = 4i - 3j - kFind (-3v) × w.
A. -12i - 2j + 38k
B. 24i + 30j + 42k
C. -4i - 10j - 66k
D. -24i - 18j - 42k
Answer: D
Mathematics
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Determine the domain and range of the function.f(x) = 10x2 - 200x + 1001
A. Domain: (-?, ?) Range: (-?, 10] B. Domain: (-?, 10] Range: [1, ?) C. Domain: (-?, ?) Range: (-?, ?) D. Domain: (-?, ?) Range: [1, ?)
Mathematics
Solve the inequality and graph the solution set.
> 2
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Mathematics
Find the exact value of the expression using the provided information.Find cos(s + t) given that cos s = 
, with s in quadrant I, and sin 
with t in quadrant IV.
A. 
B. 
C. 
D. 
Mathematics
Find the reference angle for ?. ? = -287°
A. -17° B. 107° C. 73° D. 287°
Mathematics