WI 12
9.
4. The cost of having one shirt
laundered is $8. Each additional
shirt costs $3. Write the explicit
and recursive formulas to represent
the situation.
explicit formula:
recursive formula:

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?