Find the domain of the composite function f?g.f(x) = x2 - 49, g(x) = 2x + 3

A. [7, ?)
B. (-7, 7)
C. [0, ?)
D. (-?, ?)


Answer: D

Mathematics

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Complete.66.09 m =  mm

A. 66,090 B. 0.661 C. 6,609 D. 0.0661

Mathematics

Find the derivative of the function.y = (7x + 9)3 + -1

A. (7x)2 - -2
B. (7x + 9)2 - -2
C. (7x + 9)2 + -2
D. (7x + 9)2 - -2

Mathematics

Provide an appropriate response.Solve, checking for extraneous roots:   +  = 

A. no solution
B. all real numbers
C. x = -
D. x = -3

Mathematics

Answer the question.The table shows the number of pupils per teacher in selected states.Which states have a figure greater than 12.5?

A. Maine B. Wyoming, Maine C. Alaska, Texas, California, Idaho, Missouri D. Alaska, Texas, California, Wyoming, Idaho, Missouri

Mathematics