Which graph shows f(x) = 0.5|x + 3| – 2

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which of the functions below could have created this graph?