Graph f by hand by first plotting points to determine the shape of the graph.f(x) = 

A.

B.

C.

D.


Answer: A

Mathematics

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Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°

A.
B.
C. - 
D. - 

Mathematics

Determine whether the three points are collinear.(0, -9), (7, -7), (-7, -11)

A. Yes B. No

Mathematics

If the temperature is constant, then the atmospheric pressure P (in pounds/square inch) varies with the altitude above sea level h in accordance with the law   where p?0 is the atmospheric pressure at sea level and k is a constant. ? If the atmospheric pressure is 17 lb/in.2 at sea level and 11.5 lb/in.2 at 5,000 ft, how fast is the atmospheric pressure changing with respect to altitude at an altitude of 15,000 ft? Give the answer to four decimal places. ?

A. 0.0004 lb/in.2/ft B. 0.0006 lb/in.2/ft C. 0.0003 lb/in.2/ft D. 0.0007 lb/in.2/ft E. 0.0005 lb/in.2/ft

Mathematics

Find .

?

?

A. ?
B. ?
C. 57?
D. ?
E. ?

Mathematics