Add or subtract. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the given line.x - 3.5 = 0
A. 
B. 
C. 
D. 
Mathematics
The function 
satisfies the equation of change 
. For what values of f is the graph of f versusx increasing? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. ?
D. 
Mathematics
Solve the problem.A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 320 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
A. 19,200 ft2 B. 25,600 ft2 C. 6400 ft2 D. 12,800 ft2
Mathematics
Prove the identity.
= 
What will be an ideal response?
Mathematics