Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) =  , g(x) = x2

A. Yes, yes
B. Yes, no
C. No, no
D. No, yes


Answer: A

Mathematics

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Write the improper fraction as a mixed number or an integer.- 

A. -4
B. -3
C. -5
D. -4

Mathematics

Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.sin ? + cos ? = 1

A.  and 0
B. , and - 
C. , and 0
D.  and - 

Mathematics

Find the indicated rate.While walking, Joe's heart beats 3952 times in 40 minutes. What is the rate in beats per minute?

A. 0.01 beats/min B. 91.9 beats/min C. 102.8 beats/min D. 98.8 beats/min

Mathematics

Use the quadratic formula to solve the equation.x2 + 14x + 85 = 0

A. {-7 + 6i} B. {-7 - 36i, -7 + 36i} C. {-7 - 6i, -7 + 6i} D. {-13, -1}

Mathematics