Solve the equation and express the solution in exact form.ln(4x - 1) + ln (x - 1) = ln 1
A. 
B. 
C. 
D. ?
Answer: B
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Find the amount that will be in an account, given the stated conditions.P = $12,000, t = 7, r = 12% compounded quarterly
A. $26,528.18 B. $26,655.47 C. $15,455.13 D. $27,455.13
Give a rule for the piecewise-defined function. Then give the domain and range.
A. f(x) = 
; Domain: (-?, ?), Range: (-?, ?)
B. f(x) = 
; Domain: (-?, ?), Range: (-?, ?)
C. f(x) = 
; Domain: (-?, 2) ? (2, ?), Range: (-?, ?)
D. f(x) = 
; Domain: (-?, ?), Range: (-?, 2) ? (2, ?)
Solve.The radioactive decay of radium 226 can be described by the equation 
where C is the original amount of radium and A is the amount of radium remaining after t years. If 27 milligrams of radium are sealed in a container now, how much radium will be in the container after 100 years. Round to the nearest thousandth.
A. 25.869 mg B. 26.988 mg C. 1.202 mg D. 28.18 mg
Rewrite using the stated property.Distributive property; 2(-7 + 6)
A. 2 ? -7 - 2 ? 6 B. 2 ? -7 + 2 ? 6 C. 2 ? -7+ -7 ? 6 D. 2 ? -7 + 6