Which function is the inverse of f(x)=2x+3? f^1(x)=-1/2x-3/2
f^-1(x)=1/2x-3/2
f^-1(x)=-2x+3
f^-1(x)=2x+3.​

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?