Is solving a logarithmic equation of the form log_b (x+a)+log_b (x+c)=d why is it essential to check the solutions to the resulting quadratic equation for potential extraneous solutions to the original logarithmic equation?

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Which value would be a solution for x in the inequality 47-4x< 7