Find the exact value of the expression. Do not use a calculator.cos 60° + tan 60°
A. 2
B. 
C. 
D. 
Answer: C
Mathematics
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Find the first four terms of the binomial series for the given function.
-2/3
A. 1 + 
x + 
x2 + 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 + 
x + 
x2 + 
x3
D. 1 - 
x + 
x2 - 
x3
Mathematics
Solve the problem.Find a unit vector perpendicular to plane PQR determined by the points P(-3, 1, 4), 
and 
A. ± 
B. ± 
C. ± 
D. ± 
Mathematics
Write an equation so that y depends on x. Find the amount of tax, y, for an 8.7% sales tax on a purchase x.
A) y = 0.087x B) y = 0.87x C) x = 0.87y D) x = 8.7y E) y = 8.7x
Mathematics
Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= 4
A. {5} B. {2} C. ? D. {-2}
Mathematics