Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions. x - 3y = 63y + 1 = x
A. Infinitely many
B. No solutions
C. One
Answer: B
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Use properties of logarithms to write the expression in terms of logarithms of x, y, z.ln(x3y5z4)
A. ln 3x + ln 5y + ln 4z
B. ln 
+ ln 
+ ln 
C. 3 ln x - 5 ln y - 4 ln z
D. 3 ln x + 5 ln y + 4 ln z
Add.44 + 7.8 + 10.304 + 5.03
A. 67.134 B. 67.234 C. 68.134 D. 67.135
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, no y-intercepts ;
B. No x-intercepts, no y-intercepts ;
C. No x-intercepts, no y-intercepts ;
D. No x-intercepts, no y-intercepts ;
Solve the problem.A rotating beacon is located a distance d from a long wall. The distance d is given byd = 2 tan 2?t,where t is the time measured in seconds since the beacon started rotating. Solve the equation for t.
A. t = 
tan 
B. t = 2? tan 
C. t = 2? arctan 
D. t = 
arctan 