Find the exact value of the expression.cos 
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Subtract in the indicated base.247eight - 153eight
A. 76eight B. 53eight C. 74eight D. 94eight
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 8x3 - 7
A. f-1(x) = 
B. Not one-to-one
C. f-1(x) = 
D. f-1(x) = 
+ 7
Mathematics
Fill in the blank with one of the words or phrases listed below.
A system of equations that has at least one solution is called a(n) 
system
A. consistent B. dependent C. inconsistent D. independent
Mathematics
Graph the parabola whose equation is given.y = x2 + 2x - 3
A. 
B. 
C. 
D. 
Mathematics