Use the identities for the cosine of a sum or a difference to write the expression as a single function of ?.cos (? + 270°)
A. cos ?
B. -sin ?
C. -cos ?
D. sin ?
Answer: D
Mathematics
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Find the indicated limit or state that it does not exist.
(6w3 - 2w2 - 44)-1/2
A. 
B. 
C. 
D. 
Mathematics
Find the perimeter and area of the figure.A rectangle with a length of 2 yards and a width of 9 yards
A. P = 14 yd, A = 18 yd2 B. P = 11 yd, A = 36 yd2 C. P = 8 yd, A = 36 yd2 D. P = 22 yd, A = 18 yd2
Mathematics
Convert the units.19 ft2 = 
yd2
A. 171 B. 228 C. 2.11 D. 1.58
Mathematics
State whether the given relation is a function.Consider a relation whose domain is all students attending the University of Ohio and whose range values are a set of each students' teachers. Is this relation a function?
A. Yes B. No
Mathematics