Solve. The half – life of silicon – 32 is 710 years. If 30 grams is present now, how much will be present in 300 years? (Round your answer to three decimal places.)

Solve the exponential equation. Express the solution set in terms of natural logarithms.  ex+5=2{“version”:”1.1″,”math”:”ex+5=2″}

Evaluate the given binomial coefficient.  62{“version”:”1.1″,”math”:”62″}

Find the slant asymptote, if any, of the graph of the rational function.  f(x) = x2+5x-3x+9{“version”:”1.1″,”math”:”f(x) = x2+5x-3x+9″}

Evaluate the expression without using a calculator.  eln9x3{“version”:”1.1″,”math”:”eln9x3″}

Write the first four terms of the sequence define by the recursion formula.  a1=-2 and an=-3an-1 for n≥2{“version”:”1.1″,”math”:”a1=-2 and an=-3an-1 for n≥2″}

Find the domain of the logarithmic function.  f(x) = log(x+9x-4){“version”:”1.1″,”math”:”f(x) = log(x+9x-4)”}

Complete the square and write the equation in standard form. Then give the center and radius of the circle.  x2 + y2 +4x +10y =7{“version”:”1.1″,”math”:”x2 + y2 +4x +10y =7″}

Evaluate the expression without using a calculator.  log41{“version”:”1.1″,”math”:”log41″}

Use the Leading Coefficient Test to determine the end behavior of the polynomial function. Then use this end behavior to match the function with its graph.  f(x) = -3×2 +3x -3{“version”:”1.1″,”math”:”f(x) = -3×2 +3x -3″}