The value y is a function of x if for each element x in the domain, there is/are how many value(s) of y in the range?
a. zero
b. exactly one
c. a finite number
d. an infinite number

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?