If f (x) = 2x + 1 and g(x) = x2 + 7. which of the following is equal to f(g(x)) ?

Is the number 128.439 a rational number

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.