Find the domain and range of the relation and determine whether it is a function.
a. domain: all real numbers; range: all real numbers; yes, it is a function.
b. domain: positive integers; range: positive integers; no, it is not a function.
c. domain: x ≥ 0; range: y > 3; no, it is not a function.
d. domain: x > 3; range: y > 0; yes, it is a function.

(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone

Which graph represents the same relation as the table below? x f(x) –2 5 0 1 1 –1 2 –3

The probability brenda will recieve a telemarketing call is 15%. if she gets 20 calls a day, how many can she expect to be telemarketing calls?