Practice Test Answers

What is the range of the function y is equal to e to the x th power plus 1 graphed?

If 343 to the x th power is equal to 49 raised to the 4 minus x power , what is the value of x ?

Which geometric series diverges?

For what value of x does 625 is equal to 5 raised to the 6 minus 2 x power ?

What is the range of y is equal to log sub 2 of open paren x minus 6 close paren ?

What is the solution to the log base the log base 4 of 8 of x is equal to 3 ?

What are the domain and range of f of x is equal to the log of open paren x minus 1 close paren plus 2 ?

What are the solutions to log sub 6 of open paren x squared plus 8 close paren is equal to 1 plus log sub 6 of x ?

Which function has a horizontal asymptote of y is equal to 3 ?

Which expression is equivalent to log sub 2 9 x cubed ?

The intensity, or loudness, of a sound can be measured in decibels d cap b , according to the equation cap i times d cap b is equal to 10 log open bracket the fraction with numerator cap i and denominator cap i sub 0 close bracket , where cap i is the intensity of a given sound and cap i sub 0 is the threshold of hearing intensity. What is the intensity, in decibels, open bracket cap i times d cap b close bracket , when cap i is equal to 10 to the 32th power times open paren cap i sub 0 close paren ?

What is log sub 6 e to the f th power rewritten using the power property?

Which graph shows the solution to the equation? log sub 3 of open paren x plus 2 close paren is equal to 1

Two different radioactive isotopes decay to 10 percent of their respective original amounts. Isotope A does this in 33 days, while isotope B does this in 43 days. What is the approximate difference in the half-lives of the isotopes?

What is the range of the function f of x is equal to negative 2 times open paren 6 to the x th power close paren plus 3 ?

What is the solution of the log base x of 729 is equal to 3 ?

What is the solution of the natural log of open paren x plus 6 close paren minus natural log 9 is equal to 2 ? Round your answer to the nearest hundredth.

One brand of vinegar has a pH of 4 point 5 Another brand has a pH of 5 point 0 The equation for the pH of a substance is pH is equal to negative log times open bracket cap h raised to the plus power close bracket , where H+ is the concentration of hydrogen ions. What is the approximate difference in the concentration of hydrogen ions between the two brands of vinegar?

Which of the following shows the true solution to the logarithmic equation solved? log sub 2 of x plus log sub 2 of open paren x plus 7 close paren is equal to 3 log sub 2 of open bracket x times open paren x plus 7 close paren close bracket is equal to 3 x times open paren x plus 7 close paren is equal to 2 cubed x squared plus 7 x minus 8 is equal to 0 open paren x plus 8 close paren times open paren x minus 1 close paren is equal to 0 x is equal to negative 8 comma 1

Which of the following shows the graph of y is equal to the natural log of open paren negative 2 x close paren ?

Which fraction represents the decimal 0 point 8 8 8 8 dot dot dot ?