Given the function: f ( x ) = { 7 x + 9 x < 0 7 x + 18 x ≥ 0 Calculate the values f (
−
1
)
=

f
(
0
)
=

f
(
2
)
=

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Simplify. 3(4+4x) (type your answer in with no spaces)

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read