The table represents a linear function what is the slope of the function -3 -2 3 4

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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