Question

If f(x) = x + 4, find f(3).

Answer 1

7

Answer 2

f(3) means x=3 y=f(3)

Answer 3

one more
Laura rents a movie for a flat fee of $2.00 plus an additional $0.50 for each night she keeps the movie. Choose the cost function that represents this scenario if x equals the number of nights Laura has the movie.

Answer 4

those are the choices:
c(x) = 2.00x + 0.50

c(x) = 2.00 + 0.50x

c(x) = 2.50x

c(x) = (2.00 + 0.50)x

Answer 5

option two,

Answer 6

\[c(x)=2+0.5x\]

Answer 7

thanks