4. If f(x) = 4x - 9, what is the equation for f1(x)?
ºf-'(x) == -9
X+9
© f*(x) = **
© F"(x) = + 9
f"(x) = x -9
0

Two lines parallel to a third line are parallel to each other. always sometimes or never

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)