The mapping diagram represents the costs of reserving a hotel room for different numbers of nights. Is the cost a function of the number of nights reserved? a Input, Nights Output, Cost $85 2 S170 3 -$255 $310 Yes Or No

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato