Given the following functions, find the indicated values. f(x)= 7 - 9x
(a) f(-9) (b) f(0) (c) f(2)
(a) f(-9)=

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).