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 
with t in quadrant II.
A. - 
B. 
C. 
D. - 
Answer: D
Mathematics
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Given f(x) and g(x), find 
.f(x) = x2 - 3x - 28 and g(x) = x - 7
A. 
= x - 4
B. 
= x2 + 4
C. 
= x + 4 + 
D. 
= x + 4
Mathematics
Write the sets as a roster. {x | x ? N and x lies between 0 and 4}
A. {1, 2, 3, 4} B. {1, 2, 3} C. {0, 1, 2, 3} D. {0, 1, 2, 3, 4}
Mathematics
Solve the problem.A cookie recipe calls for 
of a cup of sugar and makes 1 dozen cookies. How many cookies can you make if you have 7 cups of sugar and want to use it all?
A. 2
dozen
B. 
dozen
C. 21 dozen
D. 
dozen
Mathematics
Solve the inequality.4x2 - 32x + 60 < 0
A. -5 < x < -3 B. 3 < x < 5 C. x < 3 or x > 5 D. x < -5 or x > -3
Mathematics