For problems 7-12, solve the equations. If the solution is irrational, round to the nearest ten-thousandth.
A. 
B. 
C. 
D. 
E. none of these
Answer: A
Mathematics
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Find an equation of variation in which y varies inversely as x and the following is true.y = 7.75, when x = 0.48
A. y = 
B. y = 16.15x
C. y = 
D. y = 
Mathematics
The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4
Mathematics
Solve the problem.Determine whether the ordered triple (7, 2, -5) is a solution of the system of equations.3x - 8y + z = 02x + 4y - 3z = 37-x + 2y - z = 2
A. Yes B. No
Mathematics
Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics