Use a half-angle formula to find the exact value of the expression.cos 75°
A. - 
B. - 
C. 
D. 
Answer: D
Mathematics
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Graph the function.f(x) = 2x + 2
A. 
B. 
C. 
D. 
Mathematics
Find the best buy (based on cost per unit).You have a coupon for 87 cents off Brand A cereal and a coupon for 41 cents off Brand B. A box of Brand A cereal costs $3.34 for 14.5 ounces. A box of Brand B cereal costs $4.31 for 20.5 ounces. If you use a coupon, which cereal is the better buy?
A. Brand B B. Equal value C. Brand A D. Not enough information
Mathematics
Find the indicated term of the binomial expansion.(x + 2y)11; term containing x5
A. 29,568x5y7 B. 29,568x5y6 C. 14,784x5y6 D. 14,784x5y7
Mathematics
Find all saddle points for the matrix game.
A. Entry a12 and entry a23 B. Entry a12 C. Entry a23 D. No saddle points
Mathematics