Simplify the expression.(
+ 
)(
- 7
)
A. m - 7n
B. m2 - 6mn - 7n2
C. m - 6
- 7n
D. 
- 6
- 7
Answer: C
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Find the most general antiderivative.
dt
A. - 
+ C
B. - 
+ C
C. -9sin t + C
D. -9 cos t + C
Find the total area of the region between the curve and the x-axis.y = x2 - 6x + 9; 2 ? x ? 4
A. 
B. 
C. 
D. 
State the domain and range of the one-to-one functions f and f-1.f(x) = -8x + 5
A. f(x): domain (-8, ?), range (-?, ?); f-1(x): domain (-?,-8), range (-?, ?) B. f(x): domain (-?, ?), range (-?, 5); f-1(x): domain (-?, ?), range (5, ?) C. f(x): domain (-8, ?), range (5, ?); f-1(x): domain (-?,-8), range (-?, 5) D. f(x): domain (-?, ?), range (-?, ?); f-1(x): domain (-?, ?), range (-?, ?)
Solve the problem.A fire is sighted due west of lookout A. The bearing of the fire from lookout B, 14.1 miles due south of A, is N 32°57'W. How far is the fire from B (to the nearest tenth of a mile)?
A. 17.8 mi B. 19.8 mi C. 16.8 mi D. 18.8 mi