Find the derivative.y = 13x-2 - 5x3 - 7x
A. -26x-3 - 15x2
B. -26x-1 - 15x2
C. -26x-1 - 15x2 - 7
D. -26x-3 - 15x2 - 7
Answer: D
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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.sin x = - 
,
x in 
A. cos x = - 
, tan x = - 
B. cos x = - 
, tan x = 
C. cos x = 
, tan x = - 
D. cos x = 
, tan x = 
Perform the indicated operation.(-2x2y4)(-5x3y2)
A. 10xy5 B. 10xy6 C. 10x5y6 D. 10x6y5
A focus group of 41 people for ABC TV were asked to rank the government spending priorities of education (E), military spending (M), health care (H), immigration (I), and lowering taxes (T). Here are the preferences: ? (TMIHE) (EMTIH) (IETHM) (HETMI) 14 9 9 9 ? Suppose that the losing issues of immigration, health care, and military spending are removed from the table. Now, who is the winner using the Borda count method? ?
A. ?T B. ?E C. ?No winner.
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find sin(2?).
A. 
B. 
C. - 
D. - 