Alejandro has a computer support business. He establishes that the cost to run his business can be represented by , where x is the number of customers. He also estimates that his income can be represented by . How many customers will Alejandro need in order to break even? (a) Assign Labels

(b) Write an Algebraic Model

(c) Solve the System of Equations

(d) How many customers will Alejandro need in order to break even?

(e) What will his profit be if he has 60 customers?

Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.

Can anyone explain to me how to do this? anything will .