5. Show that if X~F.m, then X-1 ~Fm.,

Use the following information to answer the next two questions Consider the function y =-4* -11 +21.

7. Let A = {a,b,c,d}, B = {c, d, e}, and C = {f, g, h, i}. (a) How many functions are there from A to B? (b) How many one-to-one functions are there from A to B? (c) How many functions are there from A to C (d) How many one-to-one functions are there from A to C?

The mean weight of a Great Dane is 63.0 kg with a standard deviation of 2.3 kg.  Suppose a researcher randomly samples 61 Great Danes and records the weights of the sampled dogs.  Calculate the standard deviation of the mean, rounded to 2 decimal places

D. If a is a real number other than zero, the value of g' (a) evaluates to. Through some combination of pictures and/or words, explain why this is so. a

Consider the function 2: {1,2, 3, 4} → {0, 1,2} defined as follows: N:n → (2n + 2) mod 3 ( ..1) Draw an arrow diagram to represent the function above (like in problem [J]). ( .2) N(2) (fill in the blank). ( '.2) What is the inverse image of 2?

10)

14) Determine if the following functions are continuous x bin (+) xto a) f(x)= อ b) f(x)= X+2 x = 0 X-1