Use a calculator to approximate the square root to 3 decimal places. Check to see that the approximation is reasonable.
A. 29.000
B. 5.385
C. 5.390
D. 5.382
Answer: B
Mathematics
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m B. 21 + m C. 21 + 7m D. 21 + 3m
Mathematics
Solve the problem.The formula P = 112e0.028t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 125 thousand?
A. 2005 B. 2003 C. 2002 D. 2004
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -7x2 - 3x + 5
A. opens down B. opens up
Mathematics
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics