Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 4x - 7 = 0
A. {-2 - 2
, -2 + 2
}
B. {2 + 
}
C. {-2 - 
, -2 + 
}
D. {-1 - 
, -1 + 
}
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the derivative of the function.f(x) = log7 (x9 + 1)
A. 
B. 
C. 
+ 9x8
D. 
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Solve the problem.Gloria collected 35 fantail and comet goldfish. There were 3 fewer fantails than comets. How many comets did Gloria have?
A. 32 comets B. 11 comets C. 19 comets D. 16 comets
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Maximize 
subject to the given constraints.
?
?
A. 
B. 
C. 
D. 
E. none of these
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