Estimate the product or quotient by first rounding each number so that there is one nonzero digit.0.042 ? 331.6
A. 120
B. 12
C. 1200
D. 1.2
Answer: B
Mathematics
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Solve.Subtract 38 from 85.
A. 127 B. 37 C. 47 D. 123
Mathematics
The graph of a linear function f is shown. Write the equation that defines f. Write the equation in slope-intercept form.
A. y = 2x
B. y = -2x
C. y = -
x
D. y = 
x
Mathematics
Solve the equation.log (2 + x) - log (x - 5) = log 2
A. 
B. {-12}
C. {12}
D. ?
Mathematics
Provide an appropriate response.Explain why f(x) = 2x is an exponential function but f(x) = x2 is not.
What will be an ideal response?
Mathematics