Show that f and g are inverses of each other by verifying that f(g(x)) = x = g(f(x)).;  

What will be an ideal response?


f(g(x)) = f = /7 = 7x/7 = x

g(f(x)) = g = 7 - 4 =   - 4 = x

Mathematics

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Fill in the blank with < or >.-4  -7

A. < B. > 

Mathematics

Factor the perfect square trinomial completely.25m2 - 40m + 16

A. (5m + 4)(5m - 4) B. (5m + 4)2 C. (5m - 5)2 D. (5m - 4)2

Mathematics

Find the x-intercepts of the graph of each equation.y = x2 - 20x + 99

A. (9, 0), (-11, 0)
B. (-9, 0), (-11, 0)
C. ,  
D. (9, 0), (11, 0)

Mathematics

Differentiate the function.

Mathematics