360 degrees because it would rotate all the way back on to itself, 90 and 45 degrees wouldn't rotate it far enough, and 180 degrees would just flip it
Answer: 
<u>Cross-multiply</u>
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<u>Flip the equation</u>
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<u>Divide both sides by 3</u>
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Try this option, the graphs are attached for more details.
If it is possible, check the solution in other sources.
F(x)=x^2
x=-1→f(-1)=(-1)^2→f(-1)=1
g(x)=1/(2x+3)
g(f(-1))=g(1)→x=1→g(1)=1/[2(1)+3]=1/(2+3)→g(f(-1))=1/5
Answer: Option C.) 1/5