Find the sign of the following.sin 
, given that ? is in the interval (180°, 270°).
A. negative
B. positive
Answer: B
Mathematics
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Find the inverse of the function.f(x) = 64x2, x ? 0
A. f-1(x) = -
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = 
Mathematics
Find the quotient.5 ÷ 0
A. 5 B. undefined C. 0 D. 1
Mathematics
Solve. Remember to insert units when writing your answer.A carton of phones weighs 44 lb 6 oz. Of this, 2 lb 15 oz is due to packaging. Find the weight of the phones in 
A. 536 lb 3 oz B. 576 lb 14 oz C. 578 lb 6 oz D. 538 lb 11 oz
Mathematics
Determine the domain and range of the function.
A. domain: (-?, 3]; range: (-?, 5] B. domain: (-?, ?); range: (-?, ?) C. domain: (-?, ?); range: (-?, 5] D. domain: (-?, 3) ? (3, ?); range: (-?, 5) ? (5, ?)
Mathematics