Which is the graph of f(x) Ty
2
7
6
6
5
5
4
4
3
2
1.
4
7
2
$
3
4
6
S
В
3
4
X
-3 -2 -14
5 6
-3 -2 -2
པ
O
Save and Exit
Next
Submit

Really need on these. i have no idea what to do

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?