Find v ? u.v = 4i - 7j and u = -9i - 6j
A. -5i - 13j
B. -78
C. -36i + 42j
D. 6
Answer: D
Mathematics
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Graph the function.f(x) = -2x2
A. 
B. 
C. 
D. 
Mathematics
Find the sum.41 + (-44)
A. -85 B. -3 C. 85 D. 3
Mathematics
Solve the problem.If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in a certain city, where p(x) = 99 - 
. How many candy bars must be sold to maximize revenue?
A. 1584 thousand candy bars B. 792 candy bars C. 792 thousand candy bars D. 1584 candy bars
Mathematics
Find the product.x(x3 + xy - y3)
A. x4 + x2y - xy3 B. x3 + xy - xy3 C. x4 + xy - xy3 D. x4 + xy - y3
Mathematics