Find the derivative.f(x) = 7x - 9
A. f'(x) = 7
B. f'(x) = -2
C. f'(x) = 0
D. f'(x) = 7x
Answer: A
Mathematics
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A. 
?2 + 
?
B. 
?2 - 
?
C. 
?2 - 
?
D. 
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A. 
B. 
C. 
D. 
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Solve the system of equations by elimination.6x + 36y = 367x - 4y = -4
A. (0, 1) B. (0, 0) C. (1, 0) D. (1, 1)
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For the given functions f and g, find the requested composite function value.f(x) = 
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Find (g ? f)(-2).
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B. 
C. 
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