Solve the logarithmic equation.log (4 + x) - log (x - 3) = log 2

A.
B. {10}
C. ?
D. {-10}


Answer: B

Mathematics

You might also like to view...

Find the sum.

A. 109,890 B. 54,945 C. 59,319 D. 55,026

Mathematics

Compute the result. Leave your answer in scientific notation. Round your answer to 1 decimal place. ? 

A.
B.
C.
D.
E. ?

Mathematics

Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function  where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?

A. 31.4%; $464 million B. 26.5%; $469 million C. 29.7%; $467 million D. 28.1%; $470 million

Mathematics

Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + 3xy + y2 = 4 x2 - 3xy - y2 = 4

A. {(2, -6), (-2, 6)} B. {(2, 0), (-2, 0)} C. {(2, 0), (-2, 0), (2, -6), (-2, 6)} D. {(0, 2), (0, -2), (2, -6), (-2, 6)}

Mathematics