Find the domain of the function.f(x) = log9 (49 - x2)
A. -7 ? x ? 7
B. -49 < x < 49
C. -7 < x < 7
D. x < -7 and x > 7
Answer: C
Mathematics
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Simplify.
A. -m B. m + 4 C. m D. -(m + 4)
Mathematics
Guess the rule used to change one number into another.
A. n2 + 1 B. n2 - n C. n2 - 1 D. None of the above is the correct rule.
Mathematics
Graph the equation.y = - 
x + 4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Arnold and Carolyn own a piece of land that is 
of an acre. They wish to divide it into equal-size parts for their four children. How much land will each child get?
A. 
acre
B. 
acre
C. 
acre
D. 
acre
Mathematics